I/O error on connection from

[ciadam]

Hello,

Have any of you had the same problem

Regards,

Adam

[Jjchen_FTNT]

Hello,

This usually mean FortiMail was waiting for command/data from the previous MTA/client, but it didn't send and timeout happened.

[ciadam]

What I can do?
Should I change any FortiMail settings
or maybe it's something on FortiGate