docs: FAQ - Add note for devnull alias gotcha when using a catchall rule (#2949)

* updates docs faq devnull with sub-catch-all
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worldworm 2023-01-11 01:57:11 +01:00 committed by GitHub
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@ -257,6 +257,15 @@ Considering you want to delete all the e-mails received for `baduser@example.com
baduser@example.com devnull
```
!!! important
If you use a catch-all rule for the main/sub domain, you need another entry in `docker-data/dms/config/postfix-virtual.cf`:
```cf
@mail.example.com hello@example.com
baduser@example.com devnull
devnull@mail.example.com devnull
```
### How do I have more control about what SPAMASSASIN is filtering?
By default, SPAM and INFECTED emails are put to a quarantine which is not very straight forward to access. Several config settings are affecting this behavior: