The RFC actually reads:

When all lines of the response have been sent, a final line is sent, consisting of a termination octet (decimal code 046, ".") and a CRLF pair.
What you want to be printing is: 
print ".\r\n";

[download]

/J\

In reply to Re: pop3 termination octet by gellyfish
in thread pop3 termination octet by weedom

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