Bureaucrats, confirmed, Administrators
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telnet smtp.gmail.com 25
# then
^] # get a telnet promptwith the Ctrl key plus right square bracket key
quit [enter]
</source>
So a successful test ends up looking like this:
<pre>
$ telnet smtp.gmail.com 25
Trying 2607:f8b0:400d:c03::6d...
Trying 64.233.171.108...
Connected to smtp.gmail.com.
Escape character is '^]'.
220 mx.google.com ESMTP b16sm2116075qga.48 - gsmtp
^]
telnet> quit
Connection closed.
</pre>
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