Allen Coates:
> Thanks for your comments
>
> I am currently trying
>
> postscreen_cache_retention_time = 1d
> postscreen_non_smtp_command_ttl = 1d
> postscreen_bare_newline_ttl = 1d
> postscreen_pipelining_ttl = 1d
These ONLY block spambots (custom SMTP implementations that cut
corners to increase delivery 'performance').
They do ABSOLUTELY NOTHING against other systems that send spam.
> The postscreen_dnsbl(_max)_ttl setting should fix that.
That is the only postscreen feature that helps against non-spambots.
Wietse