mailcow-dockerized-docs/docs/manual-guides/Postfix/u_e-postfix-attachment_size.en.md
2022-08-31 14:45:46 +02:00

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Open `data/conf/postfix/extra.cf` and set the `message_size_limit` accordingly in bytes. See `main.cf` for the default value.
Restart Postfix:
```
docker compose restart postfix-mailcow
```