#292928 transport map affects all MXs?

Package:
postfix
Source:
postfix
Description:
High-performance mail transport agent
Submitter:
Ryan Murray
Date:
2024-12-04 12:21:02 UTC
Severity:
normal
Tags:
#292928#5
Date:
2005-01-31 08:27:25 UTC
From:
To:
With a transport map of:

somehost.example.com smtp:somehost.example.com:portnum

If somehost.example.com has two MXs, itself as lowest priority, and
mx.example.com at priority 10, postfix will try to deliver to mx.example.com
on portnum, rather than via regular smtp.

Is this by design?  And if so, is there a workaround?
#292928#10
Date:
2005-01-31 13:44:45 UTC
From:
To:
A RR's, you want to say:
  somehost.example.com smtp:[smoehost.example.com]:portnum

Note that it should be attempting delivery in MX RR order.

lamont
#292928#15
Date:
2005-03-16 02:55:38 UTC
From:
To:
I want it to use the MX RR's.  I just want it to use the special
portnumber only for somehost.example.com, and not all of the other MX
RR's.  (like mx.example.com)
#292928#20
Date:
2024-12-04 12:16:47 UTC
From:
To:
Control: tag -1 + confirmed upstream wontfix
Control: severity -1 wishlist
delivery you can specify single instance in form smtp:domain:port,
where each MX for domain is connected using the specified port.
There's no such thing like a list of destinations to try.
So you have to make smtp listeners available on the same port on
all MXes.

Thanks,

/mjt