Ooh sorry, a copy paste error occurred, disregard the last mail from me,
this is the correct one:
To ban them in MAIL FROM, use this, in your ACL for "acl_smtp_mail":
deny
message = 5.7.1 Banned TLD in MAIL FROM
sender_domains = ^(?i).*\\.(ru|sa)\\.com\$
To ban them in MIME FROM, use
To ban them in MAIL FROM, use this, in your ACL for "acl_smtp_mail":
deny
message = 5.7.1 Banned TLD in MAIL FROM
sender_domains = ^(?i).*\\.(ru|sa)\\.com\$
To ban them in MIME FROM, use this, in your ACL for "acl_smtp_data":
deny
message = 5.7.1 Banned TLD in MIME From
cond