On Wed, Feb 04, 2004 at 09:51:49PM -0500, Paul M Foster wrote:
> My wife was trying to send an email to a customer on AOL tonite and got
> the following message back:
>
> 152 fatal error from smtp transport:
> 554- (RTR:DU) The IP address you are using to connect to AOL is a
> dynamic
> 554- (residential) IP address. AOL will not accept future e-mail
> transactions
> 554- from this IP address until your ISP removes this IP address from
> its list
> 554- of dynamic (residential) IP addresses. For additional information,
> 554 please visit http://postmaster.info.aol.com.
>
> I tried telnetting into their mail servers, and got the same exact
> message. We're on a residential DSL with dynamic IP.
>
> It sounds like AOL is blocking email from any dynamic IP. Is that right?
> It sounds completely psychotic. Was there a news item I missed?
>
For those interested, this shouldn't ever happen if you're using a smart
host (SMTP server on the internet) and your MTA is properly configured.
This is, in fact, AOL's stated policy; they will not accept email from
dynamic-IP servers. They see this as a way of cutting down spam.
What happened in this case was that I had my wife's MTA (smail)
misconfigured to deliver mail directly to the mail server of the domain
in the recipient address, rather than delivering to my internet mail
server for them to handle.
Paul
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