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Add SASL login failure jail

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in order to prevent those 
```
Aug 31 22:23:52 hostxyz postfix/smtpd[38697]: warning: unknown[192.168.xx.xx]: SASL LOGIN authentication failed: authentication failure
Aug 31 22:23:52 hostxyz postfix/smtpd[38697]: lost connection after AUTH from unknown[192.168.xx.xx]
```
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DDATAA 2022-12-20 10:15:00 +00:00 • committed by GitHub
parent 80a060dd94
commit 34628d450f
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7
conf/fail2ban/yunohost-jails.conf
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@ -8,6 +8,13 @@ enabled = true
[postfix]
enabled = true
[sasl]
enabled = true
port = smtp
filter = postfix-sasl
logpath = /var/log/mail.log
maxretry = 5
[dovecot]
enabled = true