Hello,
Actually, I've tried to solve this exact problem for some time without
much success... The issue with pop3-before-smtp is that most popular
Windows e-mail clients first send mail, and only after that poll new
mail (I mean Outlook and Eudora). Only Outlook 2002 supports
pop3-before-smpt. So when you hit "send-and-receive" in Outlook, it
gives error on sending. Obviously, sending second time works, because
you just polled your mail off pop3 server.
However, in outlook configuration there's an optional username/password
fields for SMTP. I don't know what server except Exchange supports, and
what is exactly the protocol that outlook uses. Anyone here knows that?
Haim.
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]] On Behalf Of Nadav Har'El
> Sent: Monday, June 18, 2001 5:17 PM
> To: Hetz Ben Hamo
> Cc: [EMAIL PROTECTED]
> Subject: Re: question regarding sendmail
>
>
> On Mon, Jun 18, 2001, Hetz Ben Hamo wrote about "question
> regarding sendmail":
> > It has been decided here that the company will allow home
> user to send their
> > emails through the corporate mail server.
> >
> > Naturally - I didn't want to open a relay, so someone
> suggested that I setup
> > the sendmail to ask for user/pass for smtp operations...
> >
> > I can't find docs about this feature on sendmail. I can
> allow relay to IP's
> > etc - but since I don't know the IP's (manager touring in
> the world and
> > connecting) - it's a problem
>
> The newest releases of sendmail (see sendmail.org) support a
> new feature
> called "SMTP AUTH" (see RFC 2554, and
> http://www.sendmail.org/~ca/email/auth.html), in which the
> client authenticates
> itself before sending mail.
>
> However, I'm not sure how easy to it is to configure common
> mail client
> clients (especially Windows ones) to use this new feature
> (the aforementioned
> URL talks a bit about this issue). SMTP AUTH is a very new
> feature, and I
> have never personally used it (or have seen anyone else using it).
>
> But there's another, more common, method called "pop before
> smtp": in this
> method the pop3 and smtp servers are somehow connected: a
> user needs to first
> log on to pop3 (he or she has a username and password for
> that). The IP the
> users connects from is logged, and any SMTP sending in (say)
> the next hour
> from this IP address is accepted. This setup is usually transparent to
> non-expert users, who use graphical email clients which
> always try to fetch
> new mail before sending new one.
> I don't know how to enable pop-before-smtp on sendmail (it
> obviously also
> requires a bit of cooperation from the pop3 or imap server) -
> maybe somebody
> else on the list knows. A simple google search for "pop
> before smtp" generated
> a few results which seem useful, such as
> http://spam.abuse.net/tools/smPbS.html
> and
> http://people.oven.com/bet/pop-before-smtp/
>
> --
> Nadav Har'El | Monday, Jun 18
> 2001, 27 Sivan 5761
> [EMAIL PROTECTED]
> |-----------------------------------------
> Phone: +972-53-245868, ICQ 13349191 |Time is the best
> teacher. Unfortunately
> http://nadav.harel.org.il |it kills all its students.
>
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