VirtualMin Security - Fail2Ban and mail.warn (sometimes fails)

Hi there…

here before some weeks have problems… hope have a solution… but…

…it seems that after 6-7 days (maybe 2-3 days) of working good… then fails…

Blockquote
Status for the jail: postfix-sasl
|- Filter
| |- Currently failed: 2
| |- Total failed: 4
| - File list: /var/log/mail.warn - Actions
|- Currently banned: 32
|- Total banned: 32
`- Banned IP list: 101.78.9.186 111.26.172.222 113.190.255.158 121.17…

Blockquote

SASL attack continues and not banning until i reboot… (checking how much memory getting fail2ban… and takes… about 1.3 GIGs)…

what to do to have better prottection ?

how to fix fail2ban…

Thanks in advance…

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