troubleshooting Question

Connection problems with Port 25 over a Point to Point VPN Connection

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ryanthompson asked on
ExchangeVPNHardware Firewalls
9 Comments1 Solution625 ViewsLast Modified:
I have a basic network\wan\VPN setup.  An Exchange 2010 server is in our main office.  All remote offices are connected to the main office via a VPN.  Cisco ASA's are used at all locations.  
What we are wanting to do is setup the Scan to Email feature on our LaserJet MFP M525s.  I configure IP and SMTP settings on the LaserJet at a remote office and can ping the email server and vise versa.  But the SMTP settings fail the tests.  I try to telnet to port 25 on the Exchange server and it times out and fails.  I have the same LaserJet at our main office and configure it the same way it works just fine.  I can telnet to port 25 on the exchange server at our main office.  
I'm assuming that this is why SMTP settings fail on the MFP's at the remote sites.  I have checked firewall rules and about everything else I can think of.  I'm hoping someone here has some ideas.  Let me know if more info is needed and I'll get it to you.  

Thanks!
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