>>> interface=NULL port=1224
>>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... connected
>>> SMTP<< 220 server ready
>>> interface=NULL port=1224
>>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... connected
>>> SMTP<< 220 server ready
>>> interface=NULL port=1224
>>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... connected
>>> SMTP<< 220 server ready
>>> interface=NULL port=1224
>>> Connecting to 127.0.0.1 [127.0.0.1]:1224 ... connected
>>> SMTP<< 220 server ready