Philip Hazel wrote: > On Tue, 31 Oct 2006, Stanislaw Halik wrote: > >> I observed that some MTAs can require RCPT TO arguments to have '<>' >> around them. How do I do that in Exim? > > Yes. That is what the RFC specifies. Exim is, however, liberal by > default. If you want to check, look at the contents of the $smtp_command > variable in the RCPT ACL. >
For the sake of full verification, you should probably also check for it
in the MAIL FROM ACL.
An ACL like this should do the check:
deny
condition = ${if match {$smtp_command}{\N<.*>\N}{no}{yes}}
It could be very interesting to have some stats on how much legit mails
don't have the <> and how many spams don't have them.
smime.p7s
Description: S/MIME Cryptographic Signature
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