Cannot send email #1622

New Issue

OVERLORD · 2025-10-09T17:23:00+03:00

OVERLORD commented

2025-10-09 17:23:00 +03:00

Originally created by @JunfXiao on GitHub.

Subject of the issue

When I try to send tow-factor email, smtp error occurs. See log for details.

Your environment

Ubuntu 20.04 with docker.

Bitwarden_rs version: bitwardenrs/server:latest

Install method: Docker image with docker-compose
Clients used:
Reverse proxy and version: Nginx
Version of mysql/postgresql:
Other relevant information:
Environment:
_ENABLE_SMTP: "true"
SMTP_HOST: "smtp.qiye.aliyun.com"
SMTP_PORT: 465
SMTP_SSL: "true"
SMTP_FROM: "bitwarden@***"
SMTP_USERNAME: "bitwarden@***"
SMTP_PASSWORD: "***"
SMTP_AUTH_MECHANISM: "Plain"
Mail Server is provided by Aliyun.

Expected behaviour

Email should be sent.

Relevant logs

bitwarden | [2020-09-07 09:31:27.202][request][INFO] GET /api/two-factor
bitwarden | [2020-09-07 09:31:27.202][response][INFO] GET /api/two-factor (get_twofactor) => 200 OK
bitwarden | [2020-09-07 09:31:34.220][request][INFO] POST /api/two-factor/get-email
bitwarden | [2020-09-07 09:31:34.279][response][INFO] POST /api/two-factor/get-email (get_email) => 200 OK
bitwarden | [2020-09-07 09:31:36.076][request][INFO] POST /api/two-factor/send-email
bitwarden | [2020-09-07 09:31:51.279][error][ERROR] SmtpError.
bitwarden | [CAUSE] Io(
bitwarden | Os {
bitwarden | code: 11,
bitwarden | kind: WouldBlock,
bitwarden | message: "Resource temporarily unavailable",
bitwarden | },
bitwarden | )
bitwarden | [2020-09-07 09:31:51.279][response][INFO] POST /api/two-factor/send-email (send_email) => 400 Bad Request

Originally created by @JunfXiao on GitHub.  ### Subject of the issue  When I try to send tow-factor email, smtp error occurs. See log for details. ### Your environment  Ubuntu 20.04 with docker. * Bitwarden_rs version: bitwardenrs/server:latest  * Install method: Docker image with docker-compose * Clients used:  * Reverse proxy and version:  Nginx * Version of mysql/postgresql:  * Other relevant information: Environment: _ENABLE_SMTP: "true" SMTP_HOST: "smtp.qiye.aliyun.com" SMTP_PORT: 465 SMTP_SSL: "true" SMTP_FROM: "bitwarden@\*\*\*" SMTP_USERNAME: "bitwarden@\*\*\*" SMTP_PASSWORD: "***" SMTP_AUTH_MECHANISM: "Plain" Mail Server is provided by Aliyun. ### Expected behaviour  Email should be sent. ### Relevant logs  bitwarden | [2020-09-07 09:31:27.202][request][INFO] GET /api/two-factor bitwarden | [2020-09-07 09:31:27.202][response][INFO] GET /api/two-factor (get_twofactor) => 200 OK bitwarden | [2020-09-07 09:31:34.220][request][INFO] POST /api/two-factor/get-email bitwarden | [2020-09-07 09:31:34.279][response][INFO] POST /api/two-factor/get-email (get_email) => 200 OK bitwarden | [2020-09-07 09:31:36.076][request][INFO] POST /api/two-factor/send-email bitwarden | [2020-09-07 09:31:51.279][error][ERROR] SmtpError. bitwarden | [CAUSE] Io( bitwarden | Os { bitwarden | code: 11, bitwarden | kind: WouldBlock, bitwarden | message: "Resource temporarily unavailable", bitwarden | }, bitwarden | ) bitwarden | [2020-09-07 09:31:51.279][response][INFO] POST /api/two-factor/send-email (send_email) => 400 Bad Request

OVERLORD closed this issue

2025-10-09 17:23:01 +03:00

OVERLORD commented

2025-10-09 17:23:02 +03:00

@BlackDex commented on GitHub:

That looks like the server wasn't able to be reached.
Is DNS working?

Could you check the status within in the /admin/diagnostics page to see if that works or not?

@BlackDex commented on GitHub: That looks like the server wasn't able to be reached. Is DNS working? Could you check the status within in the `/admin/diagnostics` page to see if that works or not?

OVERLORD commented

2025-10-09 17:23:02 +03:00

@JunfXiao commented on GitHub:

That looks like the server wasn't able to be reached.
Is DNS working?

Could you check the status within in the /admin/diagnostics page to see if that works or not?

Thanks. Proved that SMTP Port is closed by ECS Server.

@JunfXiao commented on GitHub: > That looks like the server wasn't able to be reached. > Is DNS working? > > Could you check the status within in the `/admin/diagnostics` page to see if that works or not? Thanks. Proved that SMTP Port is closed by ECS Server.

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Reference: starred/vaultwarden#1622