On 2023-05-04 at 08:21:31 UTC-0400 (Thu, 04 May 2023 14:21:31 +0200)
Corey Hickman via Postfix-users
is rumored to have said:
Hello list,
another more question, does postfix support domain based vhosts?
It depends on what you mean by that...
There is no mechanism in SMTP for a server to determine what host and/or
domain names a client has used to choose where to make the connection.
HTTP has the Host header and very little flexibility until that header
is available, where an analogous header for email would be unavailable
until the DATA phase, after at least one recipient has been explicitly
accepted.
such as different vhost has different policies, routes, milters etc.
See the MULTI_INSTANCE_README file in the Postfix documentation for what
Postfix *does* support in regards to having multiple instances running
on a single machine. Note that instances are differentiated by IP
address and TCP port number.
--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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