Connected to smtps://smtpcom.263xmail.com:465/
S: 220 welcome to TAP gateway for 263
C: EHLO [192.168.0.131]
S: 250-263xmail at your service
S: 250-263.net
S: 250-SIZE 209715200
S: 250-AUTH LOGIN PLAIN
S: 250-AUTH=LOGIN PLAIN
S: 250-ENHANCEDSTATUSCODES
S: 250-8BITMIME
S: 250 DSN
C: AUTH PLAIN AGFkbWluQGRvbmdzaGVuZ3NvZnQuY29tAGRzIUAjKSgq
S: 235 2.7.0 authentication successful