I'm now using port 25. I've tested to see if my firewall or what ever was blocking it, but I can connect when I tested via;
*openssl s_client -connect email-smtp.eu-west-1.amazonaws.com:25 -starttls imap* OUTCOME: ------------------------------------------------ CONNECTED(00000003) didn't found STARTTLS in server response, try anyway... 3073537728:error:140790E5:SSL routines:ssl23_write:ssl handshake failure:s23_lib.c:177: --- no peer certificate available --- No client certificate CA names sent --- SSL handshake has read 166 bytes and written 331 bytes --- New, (NONE), Cipher is (NONE) Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE No ALPN negotiated SSL-Session: Protocol : TLSv1.2 Cipher : 0000 Session-ID: Session-ID-ctx: Master-Key: Key-Arg : None PSK identity: None PSK identity hint: None SRP username: None Start Time: 1490640071 Timeout : 300 (sec) Verify return code: 0 (ok) --- ------------------------------------------- The relay host what I've been using, has been right - (My control panel): https://gyazo.com/be8dfeb2cb5b943f4e3256be6d711b03.png --------------------- -- View this message in context: http://postfix.1071664.n5.nabble.com/Postfix-cannot-start-tls-handshake-failure-tp89684p89697.html Sent from the Postfix Users mailing list archive at Nabble.com.