著者: Jeremy Harris 日付: To: exim-users 題目: Re: [exim] exim still accepting email after 550 from acl_check_helo
On 12/01/16 16:20, Mike Brudenell wrote: > OK, so this begs the question that if the RFC says a client MUST issue a
> HELO/EHLO before a mail transaction, then shouldn't Exim refuse to accept
> MAIL FROM until a HELO/EHLO has been received *and* accepted?
Exim does things that are not strictly RFC-conformant because there
are peers out there that need to be communicated with, which would
otherwise not be.
Reading the comments in the code can be enlightening.
--
Cheers,
Jeremy
