email client: POP vs. POP3 differences

Jun 07, 2010 7 Replies
U

I'm trying to find a definitive source for the differences between POP and POP3 email clients. Googling has turned up a LOT of noise on the subject.



Essentially, can I assume for basic operation that they have no differences? I hope to implement a client like this:

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you-have-ma/ without having to account for POP/POP3 differences. REALbasic (program source) doesn't indicate that a POP or POP3 service has to be treated any different. The client will operate LEDs based on mail available in the accounts.


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D

RTFM -- you should be able to come up with the latest POP3 and POP RFC's in a few minutes with google... Then, see what aspects of the protocols you are relying on and how (if at all) they changed

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J

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"Related Requests for Comments" gives the specific RFC's for POP, POP3 and various revisions. Those would be your definitive sources.

Uniden wrote:

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D

POP3 is the current version of POP (POP4 has been proposed, but there is no software that uses it).

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U

Thanks, all! I'll just have to see if the POPing that my development tool does is OK for POP and if that OK stuff is in a "backwards compatible"-ish thingy for POP3.

(Probably more work figuring out exactly what REALbasic does.)

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D

You can assume that there are no servers anywhere with a version of POP other than POP3.

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R

The POP (v1, v2, v3) protocol is described in the next documents: RFC 918 RFC 937 RFC 1081 RFC 1939 RFC 2449 RFC 1734

POP3 is de facto standard !

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