telnet mx.canonical.com 25 Trying 91.189.94.145... Connected to mx.canonical.com. Escape character is '^]'. 220 fiordland.canonical.com ESMTP Postfix (Ubuntu) ehlo kitterman.com 250-fiordland.canonical.com 250-PIPELINING 250-SIZE 62914560 250-VRFY 250-ETRN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN
telnet mx.canonical.com 25 canonical. com ESMTP Postfix (Ubuntu) canonical. com TUSCODES
Trying 91.189.94.145...
Connected to mx.canonical.com.
Escape character is '^]'.
220 fiordland.
ehlo kitterman.com
250-fiordland.
250-PIPELINING
250-SIZE 62914560
250-VRFY
250-ETRN
250-ENHANCEDSTA
250-8BITMIME
250 DSN