[Mailman-Users] Google mail servers reply "Multiple destination domains per transaction is unsupported "
Stephen J. Turnbull
stephen at xemacs.org
Fri Mar 8 07:59:08 CET 2013
Mark Sapiro writes:
> It's hard to say, but it seems that you have list members in multiple
> domains all served by the same google mail MX, and google doesn't like
> receiving multiple recipient domains in a single SMTP transaction.
Other way around, I think. The Google MX in question seems to be
Max's smarthost. I don't think any MTAs are so "smart" as to try
to collect MXs for all the domains they're sending to, and then send
to multiple domains via any MX that serves multiple domains.
> I don't know about whitelisting, but if you set
> SMTP_MAX_RCPTS = 1
This will still do the trick.
 Yes, I know about qmail. Not even djb ...!
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