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Updated FAQ and Tips (markdown)

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lukas 2020-05-02 11:55:27 +02:00
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docs/content/config/troubleshooting/faq.md
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@ -188,6 +188,50 @@ Considering you want to delete all the e-mails received for `baduser@domain.tld`
baduser@domain.tld devnull baduser@domain.tld 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:
First, make sure you have the proper thresholds set:
```
SA_TAG=-100000.0
SA_TAG2=3.75
SA_KILL=100000.0
```
The very negative vaue in `SA_TAG` makes sure, that all emails have the Spamassasin headers included.
`SA_TAG2` is the actual threshold to set the YES/NO flag for spam detection.
`SA_KILL` needs to be very high, to make sure nothing is bounced at all (`SA_KILL` superseeds `SPAMASSASSIN_SPAM_TO_INBOX`)
Make sure everything (including SPAM) is delivered to the inbox and not quarantined.
```
SPAMASSASSIN_SPAM_TO_INBOX=1
```
Create a sieve script which puts spam to the Junk folder.
```
require ["comparator-i;ascii-numeric","relational","fileinto"];
if header :contains "X-Spam-Flag" "YES" {
fileinto "Junk";
} elsif allof (
not header :matches "x-spam-score" "-*",
header :value "ge" :comparator "i;ascii-numeric" "x-spam-score" "3.75" ) {
fileinto "Junk";
}
```
Create a dedicated mailbox for emails which are infected/bad header and everything amavis is blocking by default and put its address into `config/amavis.cf`
```
$clean_quarantine_to = "amavis\@domain.com";
$virus_quarantine_to = "amavis\@domain.com";
$banned_quarantine_to = "amavis\@domain.com";
$bad_header_quarantine_to = "amavis\@domain.com";
$spam_quarantine_to = "amavis\@domain.com";
```
### What kind of SSL certificates can I use? ### What kind of SSL certificates can I use?
You can use the same certificates you use with another mail server. You can use the same certificates you use with another mail server.
The only thing is that we provide a `self-signed` certificate tool and a `letsencrypt` certificate loader. The only thing is that we provide a `self-signed` certificate tool and a `letsencrypt` certificate loader.