>Anyone check to see if AOL, like a lot of the ISP's, block port 25 to non
>local addresses???

It doesn't matter, the POV of the Imail admin, whether they do (now) or not.

We have to assume roaming users will be forced by all DUL providers, 
all sensitized to the DUL spamming pb by now, to relay through the 
provider's SMTP hub.  It just gets too complicated and unworkable to 
try to when/who/if a provider blocks 25 or not.

ie:

"Most Treasured Imail User,

When you connect to Internet using another ISP's telephone numbers, 
you will have to send your outgoing mail through the mail server of 
the ISP your are connecting to, because that ISP will block you from 
sending mail directly to our ISP's mail server (as you normally do 
when you connect to Internet by our ISP telepnone numbers).

This now an industry-standard practice to reduce spammers using from 
dial-up connections.  Please note that this practice in no way 
prevents you, no matter where your are connected, from READING your 
mail in our ISP mail server.

Futhermore, we know of one more restrictive ISP policy (GTE) where 
the "MAIL FROM: [EMAIL PROTECTED]" on outgoing mail had to have a 
@domain.com of the GTE ISP. Otherwise, the dial-up user's outgoing 
mail was blocked.  This situation requires you to have, in your mail 
program (Outlook, Euodora, etc), a mail account or personality for 
each ISP you connect to."

Will users understand this?  They won't have any choice, so 
eventually they will.

Len


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