As per Relevance of the word software, we have this rfc below:

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Network Working Group R.
Request for Comments: 1957 Crynwr
Updates: 1939 June 1996
Category:


Some Observations on
of the Post Office Protocol (POP3)

Status of this

This memo provides information for the Internet community. This
does not specify an Internet standard of any kind. Distribution
this memo is unlimited



Sometimes an implementation is mistaken for a standard. POP3
and clients are no exception. The widely-used UCB POP3 server
popper, which has been further developed by Qualcomm, always
additional information following the status indicator. So,
status indicator always has a space following it. Two POP3
have been observed to expect that space, and fail when it has
been found. The RFC does not require the space, hence this memo
These clients are the freely copyable Unix "popclient" and
proprietary "netApp Systems Internet Series". The authors of both
these have been contacted, and new releases will not expect
space, but old versions should be supported

In addition, two popular clients require optional parts of the RFC
Netscape requires UIDL, and Eudora requires TOP

The optional APOP authentication command has not achieved
penetration yet. Newer versions of the Qualcomm POP server
it. Known client implementations of APOP include GNU Emacs VM
and Eudora Lite and Eudora Pro

Security

Security issues are not discussed in this memo



[1] Myers, J., and M. Rose, "Post Office Protocol - Version 3",
STD 53, RFC 1939, May 1996.






Nelson Informational [Page 1]

RFC 1957 Notes on POP3 Implementations June 1996


Author's

Russell
Crynwr
521 Pleasant Valley Rd
Potsdam, NY 13676

Phone: +1.315.268.1925
FAX: +1.315.268.9201
EMail: nelson@crynwr.









































Nelson Informational [Page 2]

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if you see any problems within the linking, don't worry be happy,
this is version 0.1 of the Relevance System and you gotta expect some crappy subroutines sometimes,
just be content we did not write this in Java, which would have made this "bigger and better" HAHAHHA.



RFC documents can be found at I.E.T.F.



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