Re: Postfix white listing with helo_access

2008-10-07 Thread mouss
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

Re: Postfix white listing with helo_access

2008-10-07 Thread mouss
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

Postfix white listing with helo_access

2008-10-07 Thread Pat Grogan
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 servers. Whilst we are att