mailrelay is a simple mail relay that can take unauthenticated SMTP emails (e.g. over port 25) and relay them to authenticated, TLS-enabled SMTP servers.
Forked from wiggin77/mailrelay
Run a container on port 2525, setup outgoing SMTP server to fastmail and add user authentication.
docker run -d --restart always --name mailrelay -p 2525:25 \
-e PORT=25 \
-e SMTP_HOST=smtp.fastmail.com \
-e SMTP_PORT=587 \
-e SMTP_STARTTLS=true \
-e [email protected] \
-e SMTP_PASSWORD=secretpassword \
evc54/mailrelay| Environment Variable | Description | Example | Default |
|---|---|---|---|
| PORT | Listen on port | 25 |
2525 |
| SMTP_HOST | SMTP server hostname | smtp.google.com |
|
| SMTP_PORT | SMTP port | 25 2525 465 |
465 |
| SMTP_STARTTLS | Enable StartTLS | true |
|
| SMTP_USERNAME | SMTP auth user name | [email protected] |
|
| SMTP_PASSWORD | SMTP auth user password | password |
|
| SMTP_MAX_LETTER_SIZE | Max. letter size | 134217728 |
83 MB |
| ALLOWED_HOSTS | Allowed IPs/host names list | 10.100.250.50 |
* |
| TIMEOUT | Network timeout, sec | 600 |
30 |