Hector Santos wrote:
Great. Thanks for the feedback.
What sort of 2821.MailFrom validation was PostFIX doing back in 99?
So we have:
Exim SMTP server
PostFix SMTP server
WIldcat! SMTP server
all doing MAIL FROM delayed validation. How about SendMail?
Sendmail does it if the delay_checks feature is enabled. I don't think
it's enabled by default.