Exchange Server 2007 being able to receive emails but other recipients reject ours, SSL 3.0 has been disabled but same issue!
I am trying to find out why our Outlook 2007 accounts are being able to receive emails from outside but when we send emails to some clients. The emails are coming back as rejected.
I noticed the Application logs in our server are reporting warnings:
MSExchangeTransport Error 12015
I have disabled the the SSL 3.0 from the server an restarted it but same issue please help.