273682Re: SMTP proxy????
- Feb 1, 2011
> You are not thinking very clearly yet. You must distinguish clearlyyes, you're right, sorry. Maybe if I tell you what I want to do I can
> - Submission, users submitting mail for outgoing delivery. This is
> visible to users, since they set the server in question as their
> MUAs "SMTP server". This needs its own design, and it is what I
> thought you wanted help with.
> - Inbound MX service. Just publish appropriate MX records, and add
> front-end SMTP servers to each of the two environments as necessary.
> In ISP-grade implementations the SMTP inbound servers are not also
> IMAP servers, rather they forward mail to IMAP servers (via LMTP
> or SMTP).
> Which do you need help with? State clear requirements for either or
> each problem, and work from there.
make myself clearer. We have both a submission service and inbound mx
service. we want to have a unified smtp.mycompany.com so all
"submissions" can be processed using this canonical domain name. i
believe that is not too dificult. We also want to run both servers so 1
is mx-backup of the other and viceversa. However, I forsee several
- both servers need to check against both databases for valid
- each server must know if delivery is to be local or it has to be
relayed to the other server.
- one server virtual_transport=maildrop (to courier-imap), the other
=dovecot (we are going with dovecot for the future, the one with courier
is older, but plenty of users)
So, is there any hope?
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