mouss wrote:
[snip]
unknown_hostname_reject_code = 550
smtpd_helo_required = yes
smtpd_helo_restrictions =
reject_invalid_hostname
reject_non_fqdn_hostname
check_helo_access hash:/etc/postfix/helo_access
reject_unknown_hostname
In /etc/postfix/helo_access I will
Pat Grogan wrote:
We have implemented HELO restrictions for our postfix configuration to
attempt to cut down on the amount of spam.
Unfortunately this has turn up a lot of legitimate servers that have been
incorrectly configured. That is to say, they do not have dns entries for
their mail serve
