Pausing outbound smtp when internet is out

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dreniarb
Posts: 316
Joined: Mon Jan 19, 2004 5:00 pm
Location: Marion, IN

Pausing outbound smtp when internet is out

Post by dreniarb » Fri Sep 21, 2018 3:55 pm

Today our internet went out. During this time our internal billing server sent out a few dozen notifications to our customers. It uses our internal ME server to do this. When ME tried to find the MX record for these emails it bounced every one of them back with:

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Reason: The message could not be delivered because the domain name (gmail.com) does not appear to be valid.
I understand that it did this because it could not resolve gmail.com due to our internet being out. The problem is now I have to figure out a way to make our billing server resend these notifications.

My question is if there is a way to pause the delivery of external mail if the internet is out? This way the emails will sit in the outgoing queue instead of bouncing.

I don't want to pause the smtp connector - I still want ME to accept email coming from our internal clients and servers. I just don't want it trying to deliver external email when the internet is out.

Thanks

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