Outgoing Email Routing via Postini to Multiple Recipients

[Robert]

I'm having some weird issues today. First, here's how our email
travels when sending from our domain to our domain (we're in
transition):

Compose in google, send > postini outgoing gateway > old internal mail
server > internal mailbox + redirect out to google


I've had a few cases today of the following issue:

Compose email to recipient-a, recipient-b and recipient-c in google
and send
Only recipient-a receives email in old mail server and in google

In looking at the old mail servers logs, it appears that the postini
outgoing gateway only sent it to recipient-a. There is no traffic
coming in to the other two recipients.

In addition, this is not a universal occurence. Sometimes mail to
multiple recipients is delivered correctly, sometimes not. There is
no error message related to this that I can see.

Has anyone else seend this problem, and any idea how to fix it?

[FrankM]

If the domain you are using is krechojard.com, then I do not see
Postini's MX listed for that domain. Or are you using a different
domain?
krechojard.com. MX IN 86400 mail.krechojard.com. [Preference = 10]

[Robert]

Check the outline in my original message. This issue is with outgoing
mail that routes out through postini, then back in our old server
where it is being dual-delivered. The old server is only receiving
smtp traffic from the postini gateway for the first recipient in these
cases. Again, this issue doesn't happen to 100% of these messages.
MX record issues wouldn't result in these kind of symptoms anyway.

Thanks!

[FrankM]

I understand that, we use dual routing for some of our domains.
Postini is the outbound gateway, outbounds7.ga.obsmtp.com, dual routed
to provisioned accounts only (optional) on secondary server, inbound
gateway is set to Postini's IP and locked to this 64.18.0.0/20 IP. I
also white list the IP of our secondary mail server. But the only MX
we have for the Google Premier account is Postini's.

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