>I hadn't thought of that. How would one set up the (average) email
>client in this case? If smtp server is IMGate,
Imgate is one of the SMTP servers, Imail remains the other just for
SMTP AUTH relaying.
>but IMAP or POP server is IMail
that's why you should have a differnt host.domain.com for each service.
>which one gets the SMTP AUTH request?
you set the mail client's 'outgoing smtp server" for
smtp.domain.com which is Imail.
>This is a theoretical question, so please forgive me if it becomes
>obvious once one actually
>does it...just trying to understand the process.
it's very simple. SMTP AUTH relay mail from Imail users must be sent
only to imail since only Imail knows users/passwords. MX's are
pointed at IMgate so other mail servers send their mail to Imgate who
will only accept the mail for relay to Imail for those Imails you put
into imgate/postfix's relayed_domains file.
This separation/specialization of SMTP relay responsibilities is very
explicit in the diagrams on the Imgate site.
Len
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