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Home » GFI User Forums » Kerio Connect » Problem Accessing Kerio Connect from Outside LAN (Problem Accessing Kerio Connect via SMTP and IMAP)
Problem Accessing Kerio Connect from Outside LAN [message #139768] Mon, 14 May 2018 18:45 Go to previous message
BobH is currently offline  BobH
Messages: 66
Registered: March 2005
Location: Oregon, WI USA
We are currently running Kerio Connect v9.2.6 patch 2 installed on Win Server 2008 R2.

About a 10 days ago, we started see a problem connecting to Kerio Connect from outside our network using secure IMAP and SMTP. We use this primarily on cell phones and tablets.

If I take a cellphone that doesn't work from the outside and I configure it to work inside the network, using local addresses, it works without issue. If you use the web interface, that works both inside and outside without issue.

This made me think that the issue was Sophos firewall related but I had a Sophos tech remote in and he confirmed that traffic was getting to the Kerio Connect server.

I've gone into the SMTP and IMAP service settings (25,465,143 and 993) and confirmed that there is no setting allowing only local addresses.

Anyone know of a reason or a setting in Kerio that would block external access?
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