>This cuts right into the heart of my business - I'm in the business of
>providing web site hosting and e-mail services to my clients - I don't do
>dialups.  If my ISP starts blocking SMTP, what's to stop them from blocking
>other services?

>What kind of problems is this going to raise when my customers have to start
>using a different SMTP server while advertising their reply-to as their
>server on my IMail box?

Will ISP SMTP restrictions put Rocky on the rocks?  Let's see:

Rocky's dial-up is big bad ATT with non-ATT SMTP traffic blocked.

Rocky dials up ATT, is forced to send his outgoing through ATT SMTP server 
with these headers:

MAIL FROM: "Rocky Rapson" <[EMAIL PROTECTED]>
RCPT TO:  "Bullwinkle" <[EMAIL PROTECTED]>

ATT got no pb widdat cause ATT's own DUL's are approved for relaying, no?

Rocky sets up his mail client to mail through ATT with SMTP AUTH using 
Rocky's ATT POP3 account and password (which has nothing to do with your 
msg headers!!).

So Bullwinkle gets a msg ...

MAIL FROM:  "Rocky Rapson" <[EMAIL PROTECTED]>

and sees ATT name nowhere (unless Bullwinkle has a button to expose all 
headers blah blah and cares).

What's ADVANTAGEOUS for you, Rocky, is that ATT Inc. is offloading your 
hosting clients' outgoing mail from your Imail server to the ATT servers, 
transparently.  Ain't that big hearted of 'em?

At least, Rocky, you could do the above 'mail personality' setup in Eudora 
Pro.

For MS LookOut!, (tagline: "trust us, which virus script do you want to run 
today?"), I'll let the others say whether that's possible.

You will have to put a 'tech support' page on your main site explaining how 
to do the above mail pgm setup, but that only builds your users' confidence 
in your pre-emptive mastery of the situation.

Len

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