We are running email server on Mercury/32 v4.73. We have Sonicwall - TZ 180 Enhanced as our security. When our users log on to our network via Sonicwall VPN connection, the POP3 Server isn't responding to allow the download of their email. They are able to send mail with no problems, but can't receive. A Sonicwall Technician checked all setting on the Sonicwall and found the sonicawall device isn't blocking the connection on their end. They stated the email server is blocking this connection. We checked the email server and all settings seem to be correct. This problem didn't occur until after we ran a firmware update on the sonicwall device. Once again, Sonicwall Technician assured it's an error with the email server. Does anyone know how to fix this issue? Something's blocking the connection within Mercury/32, but we can't seem to figure it out.
Software/Hardware used: Mercury/32 v. 4.73 & Sonicwall
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