On Jan 26, 2009, at 4:05 PM, Paweł Leśniak wrote:
I may be wrong, but I think I should not block sender on helo basis?
Most of what will be blocked are zombie systems that send no legitimate mail, a very small number of legitimate mails 'may' be blocked. It's a personal preference, I bounce these with unknown_hostname_reject_code = 450 in case it's a transient error on their end.
