Avast + Exchange + Queue
Mail remains in exchange queue with Avast 8 installed. Problem arises is ESP is using self signed certificates. Checking %ALLUSERSPROFILE%\AVAST Software\Avast\log\Mail.log you’ll find Cannot establish TLS with SMTP server A.B.C.D:25, SSL_connect error 1:error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed Resolution Remove the mail server / domain from the list which your exchange server is having problems connecting to. The message… Read More »