>Asai: > This problem has been very difficult to figure out, but before I > dive head first into debugging, I?m wondering if there have been > any known issues with iOS that have been addressed in later versions > of Postfix? Asai
You might be better off figuring out what the failing sessions have in common. Are they failing in the TLS handshake? Are they failing in the TCP handshake? These are basic questions that you should be able to answer just by looking at logs. Wietse