Grant wrote:
Do you think this postfix anti-spam configuration is OK:

smtpd_delay_reject = yes
smtpd_helo_required = yes
smtpd_helo_restrictions =
       permit_mynetworks,
       reject_non_fqdn_hostname,
       reject_invalid_hostname,
       permit

I'd be careful with non_fqdn_hostname

smtpd_sender_restrictions =
       permit_mynetworks,
       reject_non_fqdn_sender,
       reject_unknown_sender_domain,
       permit
smtpd_recipient_restrictions =
       permit_mynetworks,
       reject_non_fqdn_recipient,
       reject_unknown_recipient_domain,
       reject_unauth_destination,
       permit

That's pretty much what I run and you might want to look at smtpd_data_restrictions as well.

Would it be OK to remove the following aliases since I never use them:

It's good form to keep them on your server and compile with the relvent RFC which specifies these.

kashani
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