UPDATE Server CA certificates #1709

New Issue

MrUnknownDE · 2026-04-06T02:15:25+02:00

MrUnknownDE commented

2026-04-06 02:15:25 +02:00

Originally created by @KiwiActinidia on 3/7/2023

Subject of the issue

SMTP Server connection error

vaultwarden version: 1.27.0

Install method: docker-compose
Clients used: web
Reverse proxy and version: apache2
MySQL/MariaDB or PostgreSQL version:
Other relevant details:

Steps to reproduce

connect to a SMTP server using latest Let's Encrypt certificates

Expected behaviour

No error sending email

Actual behaviour

certificates error

Setting SMTP_ACCEPT_INVALID_CERTS=true
no problem sending email

Troubleshooting data

vaultwarden | [2023-03-07 14:15:56.592][vaultwarden::mail][ERROR] SMTP Connection error: Connection error: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:../ssl/statem/statem_clnt.c:1914: (unable to get local issuer certificate)
vaultwarden | [2023-03-07 14:15:56.592][vaultwarden::api::core::accounts][ERROR] Error sending welcome email: SMTP Connection error: Connection error: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:../ssl/statem/statem_clnt.c:1914: (unable to get local issuer certificate)

Regards
Alessandro

*Originally created by @KiwiActinidia on 3/7/2023*   ### Subject of the issue  SMTP Server connection error     * vaultwarden version: 1.27.0  * Install method: docker-compose * Clients used: web  * Reverse proxy and version: apache2  * MySQL/MariaDB or PostgreSQL version:  * Other relevant details: ### Steps to reproduce  connect to a SMTP server using latest Let's Encrypt certificates ### Expected behaviour  No error sending email ### Actual behaviour  certificates error Setting SMTP_ACCEPT_INVALID_CERTS=true no problem sending email ### Troubleshooting data  vaultwarden | [2023-03-07 14:15:56.592][vaultwarden::mail][ERROR] SMTP Connection error: Connection error: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:../ssl/statem/statem_clnt.c:1914: (unable to get local issuer certificate) vaultwarden | [2023-03-07 14:15:56.592][vaultwarden::api::core::accounts][ERROR] Error sending welcome email: SMTP Connection error: Connection error: error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:../ssl/statem/statem_clnt.c:1914: (unable to get local issuer certificate) Regards Alessandro

MrUnknownDE closed this issue

2026-04-06 02:15:25 +02:00

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Reference: github/vaultwarden#1709