Hi guys
I use Dovecot and Exim as mail servers.
In our architecture there are 2 servers with Dovecot Proxy Director installed and two other servers with Dovecot Backend with Exim.
The Proxy Director is used to orchestrate IMAP and POP3 traffic (ports 993 and 995) on the Backend servers.
On the Backends, Dovecot is active for mailbox management (ports 993 and 995) and Exim for outgoing mail (ports 465 and 587).
It is clear that when configuring a mail client, it is defined as incoming server imap.domain.com:993 or pop3.domain.com:995 (depending on the type of protocol chosen) and as outgoing server smtp.domain.com:465.
The imap and pop service is redirected to Dovecot Proxy Director servers and the smtp service to Dovecot backends.
The problem arises with some mail clients that require a single name (for both inbound and outbound servers). For example: mail.domain.com
How can I redirect mail.domain.com:993 (or 995) traffic to Proxy Director servers and mail.domain.com:465 (or 587) traffic to Backend servers?
Should I use a virtual server?
Thanks in advance for any help!
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Hello
If I understand well your concern, the solution is to create 3 VIPs with port forwarding, as follows:
Hi AEK
Do you think of a similar configuration??
Hi @gibux
Personally I have more experience with VIP than VS, however your config looks fine. So you may need to test it and tune it if required.
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