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SMTP: No compatible authentication mechanism was found #1614

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opened 2026-04-06 02:04:54 +02:00 by MrUnknownDE · 0 comments
MrUnknownDE commented 2026-04-06 02:04:54 +02:00
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Originally created by @XDavidT on 5/8/2023

Subject of the issue

https://i.imgur.com/xuzLr19.png
https://i.imgur.com/EZ83rI2.png

I'm trying to coinfigure my smtp server, but getting this error:

/--------------------------------------------------------------------\
|                        Starting Vaultwarden                        |
|                           Version 1.28.1                           |
|--------------------------------------------------------------------|
| This is an *unofficial* Bitwarden implementation, DO NOT use the   |
| official channels to report bugs/features, regardless of client.   |
| Send usage/configuration questions or feature requests to:         |
|   https://github.com/dani-garcia/vaultwarden/discussions or        |
|   https://vaultwarden.discourse.group/                             |
| Report suspected bugs/issues in the software itself at:            |
|   https://github.com/dani-garcia/vaultwarden/issues/new            |
\--------------------------------------------------------------------/

[NOTICE] You are using a plain text `ADMIN_TOKEN` which is insecure.
Please generate a secure Argon2 PHC string by using `vaultwarden hash` or `argon2`.
See: https://github.com/dani-garcia/vaultwarden/wiki/Enabling-admin-page#secure-the-admin_token

[WARNING] SMTP Debugging is enabled (SMTP_DEBUG=true). Sensitive information could be disclosed via logs!
[WARNING] Only enable SMTP_DEBUG during troubleshooting!

[2023-05-08 14:07:40.364][vaultwarden::api::notifications][INFO] Starting WebSockets server on 0.0.0.0:3012
[2023-05-08 14:07:40.368][start][INFO] Rocket has launched from http://0.0.0.0:8080
[2023-05-08 14:07:52.735][request][INFO] GET /admin/
[2023-05-08 14:07:52.741][response][INFO] (admin_page) GET /admin/ => 200 OK
[2023-05-08 14:08:03.612][request][INFO] POST /admin/test/smtp/
[2023-05-08 14:08:03.634][vaultwarden::mail][WARN] No valid SMTP Auth mechanism found for '', using default values
[2023-05-08 14:08:03.855][lettre::transport::smtp::client::async_connection][DEBUG] << 220 VI1EUR02FT064.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Mon, 8 May 2023 14:08:03 +0000<CRLF>
[2023-05-08 14:08:03.855][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF>
[2023-05-08 14:08:03.910][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF>
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] server VI1EUR02FT064.mail.protection.outlook.com with {StartTls, SmtpUtfEight, EightBitMime}
[2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: STARTTLS<CRLF>
[2023-05-08 14:08:03.966][lettre::transport::smtp::client::async_connection][DEBUG] << 220 2.0.0 SMTP server ready<CRLF>
[2023-05-08 14:08:04.084][lettre::transport::smtp::client::async_connection][DEBUG] connection encrypted
[2023-05-08 14:08:04.084][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>
[2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF>
[2023-05-08 14:08:04.140][vaultwarden::mail][ERROR] SMTP client error: internal client error: No compatible authentication mechanism was found
[2023-05-08 14:08:04.141][response][INFO] (test_smtp) POST /admin/test/smtp => 400 Bad Request
[2023-05-08 14:08:55.025][request][INFO] POST /admin/test/smtp/
[2023-05-08 14:08:55.036][vaultwarden::mail][WARN] No valid SMTP Auth mechanism found for '', using default values
[2023-05-08 14:08:55.461][lettre::transport::smtp::client::async_connection][DEBUG] << 220 AM0EUR02FT020.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Mon, 8 May 2023 14:08:55 +0000<CRLF>
[2023-05-08 14:08:55.461][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF>
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] server AM0EUR02FT020.mail.protection.outlook.com with {EightBitMime, StartTls, SmtpUtfEight}
[2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: STARTTLS<CRLF>
[2023-05-08 14:08:55.607][lettre::transport::smtp::client::async_connection][DEBUG] << 220 2.0.0 SMTP server ready<CRLF>
[2023-05-08 14:08:55.760][lettre::transport::smtp::client::async_connection][DEBUG] connection encrypted
[2023-05-08 14:08:55.761][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>
[2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF>
[2023-05-08 14:08:55.834][vaultwarden::mail][ERROR] SMTP client error: internal client error: No compatible authentication mechanism was found
[2023-05-08 14:08:55.834][response][INFO] (test_smtp) POST /admin/test/smtp => 400 Bad Request
[2023-05-08 14:09:35.825][request][INFO] POST /admin/test/smtp/
[2023-05-08 14:09:35.836][vaultwarden::mail][WARN] No valid SMTP Auth mechanism found for '', using default values
[2023-05-08 14:09:36.047][lettre::transport::smtp::client::async_connection][DEBUG] << 220 VI1EUR02FT059.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Mon, 8 May 2023 14:09:35 +0000<CRLF>
[2023-05-08 14:09:36.048][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF>
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] server VI1EUR02FT059.mail.protection.outlook.com with {SmtpUtfEight, EightBitMime, StartTls}
[2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: STARTTLS<CRLF>
[2023-05-08 14:09:36.158][lettre::transport::smtp::client::async_connection][DEBUG] << 220 2.0.0 SMTP server ready<CRLF>
[2023-05-08 14:09:36.276][lettre::transport::smtp::client::async_connection][DEBUG] connection encrypted
[2023-05-08 14:09:36.276][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>
[2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF>
[2023-05-08 14:09:36.332][vaultwarden::mail][ERROR] SMTP client error: internal client error: No compatible authentication mechanism was found
[2023-05-08 14:09:36.333][response][INFO] (test_smtp) POST /admin/test/smtp => 400 Bad Request

Deployment environment

https://i.imgur.com/3pSdRYD.png

  • vaultwarden version:

  • Install method: helm chart to k8s cluster

  • Reverse proxy and version: nginx ingress controller

  • MySQL/MariaDB or PostgreSQL version: sqlite

  • Other relevant details:

Expected behavior

Getting test email without error

*Originally created by @XDavidT on 5/8/2023* ### Subject of the issue https://i.imgur.com/xuzLr19.png https://i.imgur.com/EZ83rI2.png I'm trying to coinfigure my smtp server, but getting this error: ``` /--------------------------------------------------------------------\ | Starting Vaultwarden | | Version 1.28.1 | |--------------------------------------------------------------------| | This is an *unofficial* Bitwarden implementation, DO NOT use the | | official channels to report bugs/features, regardless of client. | | Send usage/configuration questions or feature requests to: | | https://github.com/dani-garcia/vaultwarden/discussions or | | https://vaultwarden.discourse.group/ | | Report suspected bugs/issues in the software itself at: | | https://github.com/dani-garcia/vaultwarden/issues/new | \--------------------------------------------------------------------/ [NOTICE] You are using a plain text `ADMIN_TOKEN` which is insecure. Please generate a secure Argon2 PHC string by using `vaultwarden hash` or `argon2`. See: https://github.com/dani-garcia/vaultwarden/wiki/Enabling-admin-page#secure-the-admin_token [WARNING] SMTP Debugging is enabled (SMTP_DEBUG=true). Sensitive information could be disclosed via logs! [WARNING] Only enable SMTP_DEBUG during troubleshooting! [2023-05-08 14:07:40.364][vaultwarden::api::notifications][INFO] Starting WebSockets server on 0.0.0.0:3012 [2023-05-08 14:07:40.368][start][INFO] Rocket has launched from http://0.0.0.0:8080 [2023-05-08 14:07:52.735][request][INFO] GET /admin/ [2023-05-08 14:07:52.741][response][INFO] (admin_page) GET /admin/ => 200 OK [2023-05-08 14:08:03.612][request][INFO] POST /admin/test/smtp/ [2023-05-08 14:08:03.634][vaultwarden::mail][WARN] No valid SMTP Auth mechanism found for '', using default values [2023-05-08 14:08:03.855][lettre::transport::smtp::client::async_connection][DEBUG] << 220 VI1EUR02FT064.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Mon, 8 May 2023 14:08:03 +0000<CRLF> [2023-05-08 14:08:03.855][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF> [2023-05-08 14:08:03.910][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF> [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] server VI1EUR02FT064.mail.protection.outlook.com with {StartTls, SmtpUtfEight, EightBitMime} [2023-05-08 14:08:03.911][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: STARTTLS<CRLF> [2023-05-08 14:08:03.966][lettre::transport::smtp::client::async_connection][DEBUG] << 220 2.0.0 SMTP server ready<CRLF> [2023-05-08 14:08:04.084][lettre::transport::smtp::client::async_connection][DEBUG] connection encrypted [2023-05-08 14:08:04.084][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF> [2023-05-08 14:08:04.140][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT064.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF> [2023-05-08 14:08:04.140][vaultwarden::mail][ERROR] SMTP client error: internal client error: No compatible authentication mechanism was found [2023-05-08 14:08:04.141][response][INFO] (test_smtp) POST /admin/test/smtp => 400 Bad Request [2023-05-08 14:08:55.025][request][INFO] POST /admin/test/smtp/ [2023-05-08 14:08:55.036][vaultwarden::mail][WARN] No valid SMTP Auth mechanism found for '', using default values [2023-05-08 14:08:55.461][lettre::transport::smtp::client::async_connection][DEBUG] << 220 AM0EUR02FT020.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Mon, 8 May 2023 14:08:55 +0000<CRLF> [2023-05-08 14:08:55.461][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF> [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] server AM0EUR02FT020.mail.protection.outlook.com with {EightBitMime, StartTls, SmtpUtfEight} [2023-05-08 14:08:55.534][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: STARTTLS<CRLF> [2023-05-08 14:08:55.607][lettre::transport::smtp::client::async_connection][DEBUG] << 220 2.0.0 SMTP server ready<CRLF> [2023-05-08 14:08:55.760][lettre::transport::smtp::client::async_connection][DEBUG] connection encrypted [2023-05-08 14:08:55.761][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF> [2023-05-08 14:08:55.833][lettre::transport::smtp::client::async_connection][DEBUG] << 250-AM0EUR02FT020.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF> [2023-05-08 14:08:55.834][vaultwarden::mail][ERROR] SMTP client error: internal client error: No compatible authentication mechanism was found [2023-05-08 14:08:55.834][response][INFO] (test_smtp) POST /admin/test/smtp => 400 Bad Request [2023-05-08 14:09:35.825][request][INFO] POST /admin/test/smtp/ [2023-05-08 14:09:35.836][vaultwarden::mail][WARN] No valid SMTP Auth mechanism found for '', using default values [2023-05-08 14:09:36.047][lettre::transport::smtp::client::async_connection][DEBUG] << 220 VI1EUR02FT059.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Mon, 8 May 2023 14:09:35 +0000<CRLF> [2023-05-08 14:09:36.048][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-STARTTLS<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF> [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] server VI1EUR02FT059.mail.protection.outlook.com with {SmtpUtfEight, EightBitMime, StartTls} [2023-05-08 14:09:36.103][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: STARTTLS<CRLF> [2023-05-08 14:09:36.158][lettre::transport::smtp::client::async_connection][DEBUG] << 220 2.0.0 SMTP server ready<CRLF> [2023-05-08 14:09:36.276][lettre::transport::smtp::client::async_connection][DEBUG] connection encrypted [2023-05-08 14:09:36.276][lettre::transport::smtp::client::async_connection][DEBUG] Wrote: EHLO vault-warden-vaultwa-0<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF> [2023-05-08 14:09:36.332][lettre::transport::smtp::client::async_connection][DEBUG] << 250-VI1EUR02FT059.mail.protection.outlook.com Hello [82.166.185.33]<CRLF>250-SIZE 157286400<CRLF>250-PIPELINING<CRLF>250-DSN<CRLF>250-ENHANCEDSTATUSCODES<CRLF>250-8BITMIME<CRLF>250-BINARYMIME<CRLF>250-CHUNKING<CRLF>250 SMTPUTF8<CRLF> [2023-05-08 14:09:36.332][vaultwarden::mail][ERROR] SMTP client error: internal client error: No compatible authentication mechanism was found [2023-05-08 14:09:36.333][response][INFO] (test_smtp) POST /admin/test/smtp => 400 Bad Request ``` ### Deployment environment https://i.imgur.com/3pSdRYD.png * vaultwarden version: <!-- How the server was installed: Docker image, OS package, built from source, etc. --> * Install method: helm chart to k8s cluster * Reverse proxy and version: nginx ingress controller * MySQL/MariaDB or PostgreSQL version: sqlite * Other relevant details: ### Expected behavior Getting test email without error
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Reference: github/vaultwarden#1614
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