POP
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... termination octet) is stripped away. If so and if CRLF immediately
follows the termination character, then the response from the POP
server is ended and the line containing ".CRLF" is not considered
...
...
The POP family has a long and checkered history. Although primarily
a minor revision to RFC 1460(-> 1725(-> 1939std53)), POP3 ...