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Need help on identifying intermittent network connection to smtp.gmail.com server that is causing issues with the scan to email function on my copier

We recently switch from MS Exchange to Google Apps Email.  Every since the change I'm having an issue with our copier having intermittent connection issues to the google smtp server (smtp.gmail.com).  We use the copier to scan to email.  It will work some of the time... and then quit working for a couple hours and then start working again.  

We have no issues with our old exchange server and we have no issues with these new smtp settings with copiers in our corporate office connecting to the google smtp server.

I need help pinpointing what might be causing this issue in this remote office.  I have contacted the ISP and Copier manufacturer... and they believe it has something to do with the network at this remote office.

The remote office uses a Sonicwall TZ-180.... I cannot tell if this device is causing the problem or not.

Any suggestions would be greatly appreciated...
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cmleavitt
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cmleavitt
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nasirshCommented:
Have you tried opening Secure SMTP port (465)  on the SonicWall and allow for outgoing connections.
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GuruChiuCommented:
Does your ISP for the remote office internet connection give you static IP?
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cmleavittAuthor Commented:
I think I've might have found the issue.  The sonicwall at my remote office only has 5 node licenses.  And there are a bunch of warnings for exceeding the licensing.  When I see the copier's ip address in the IP lease of the sonicwall the smtp connection works... when it's not there, it doesn't work... so I'm guessing it's the licensing issue that is causing the problem.
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GuruChiuCommented:
good catch.
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