in front of our domino-system a ironport-cluster (2*C350) is running. Last wee we set up a virtual gateway for senden our newsletter. Normal Mails are send with @companyname.com and the newsletter-mail with @newsletter.companyname.com Everythin works fine BUT when sending mails from @newsletter.companyname.com to @companyname no mails are recieved. The Ironport-Tracking just says "Mail queued for delivery" and the domino-system is retrieving nothing. Where can i find out, whereto the mails are send?
If it stops after mails queued for delivery, the mails are probably still in the ironports delivery queue.
Do you by any chance have the internal and external interfaces connected to different networks? If you do, you would expect the ironport to send traffic out from the external interface when a virtual gateway connected to that interface is selected, but it doesn't. It checks the routing, so it is possible that its trying to send traffic to your domino server via the internal interface but using an ip from the external one. Any decent firewall is going to block that traffic. You could work around this by not using the virtual gateway for mails going to @companyname.com
you can also use 'hoststatus' and 'tophosts' to show whether a given receiving domain is "up" or "down" - essentially telling you whether there is TCP/25 connectivity or not.
pay special attention to the delivery destination and source interface. maybe it's using the wrong interface (as suggested before) or can't lookup the destination host. use 'smtproutes' and 'deliveryconfig' to work around these problems.
I talked to our domino-admin but he is confused as much as me. We looked at the dominoserver and at the moment of recieving the newsletter-email, there was no incoming-connection from the ironport to see. Using "tail" i got the following:
At the moment I'm of the opinion that the failure is a domino-one.
I wrote an outgoing-content-filter which delivers the local-mails from the old interface from which normal emails are also delivered. only the external newsletters will be delivered over the virtual gateway.
Maybe it's not the best solution, but it works ;-)
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...