On Tue, 26 Feb 2002 12:50:38 -0500, Dan wrote:

>Test for months My mail provider has not been able to resolve this 
>address..... they say it works now, but I don't believe it (their 
>credibility is questionable)  IF this hits the list please excuse me.

Dan is not the only person who has had problems like this. In recent 
months, more and more effort has been made to improve security for 
mail servers, sometimes at the expense of convenience and smooth 
operation of a list server.

Many mail servers that have "open relay" settings have been getting  
added to "blacklists." Many ISPs refuse mail from any blacklisted 
server. Most email goes through multiple mail servers on their way from 
the source to the ultimate destination.  

A mail server with an open relay is a wonderful convenience when I 
connect my laptop to some other company's server, and can still 
retrieve and send email through my own mail server. However, if I can, 
so can spammers. My own ISP seems to be torn back and forth, upset 
that they had to take steps to get off a blacklist, and then assaulted by 
their own customers who can't get their email when they are "on the 
road."

As I learn more about a) how to recognize through headers and error 
messages why mail from one address to another is being blocked, and 
b)  how to identify the ISP or mail server administrator to talk to, and c) 
how to explain to the ISP or mail server administrator how to fix it, I'll 
share what I learn here. I hope others of you will share what you know, 
too.

Bill Downall
volunteer List Manager, [EMAIL PROTECTED]
The Official mailing list server for
R:Base and R:Tango from R:Base Technologies, Inc.

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