we've noticed in the last couple of days, that AOL is rejecting emails sent from our server. I've checked our rDNS setup and it seems to be fine, and has been for quiet sometime, this just seemed to start up recently. We are running the lastest Exim, updated over the weekend. Here is one of the communications while sending out an email:
Again this just started in the last day or two.... has something suddenly changed that I may not be aware of, some addition changes in the exim.conf needed, ???
Connecting to mailin-02.mx.aol.com [22.214.171.124]:25 ... connected
SMTP<< 220-rly-yd05.mx.aol.com ESMTP mail_relay_in-yd5.8; Thu, 08 Jul 2004 12:00:07 -0400
220-America Online (AOL) and its affiliated companies do not
220- authorize the use of its proprietary computers and computer
220- networks to accept, transmit, or distribute unsolicited bulk
220- e-mail sent from the internet. Effective immediately: AOL
220- may no longer accept connections from IP addresses which
220 have no reverse-DNS (PTR record) assigned.
SMTP>> EHLO justlightening.justlightening.net
SMTP<< 250-rly-yd05.mx.aol.com rs-64-246-58-87.ev1.net
SMTP>> MAIL FROM:<email@example.com>
SMTP<< 250 OK
SMTP>> RCPT TO:<GandLBartels@AOL.com>
SMTP<< 250 OK
SMTP<< 354 START MAIL INPUT, END WITH "." ON A LINE BY ITSELF
SMTP>> writing message and terminating "."
SMTP<< 421-: (SDI:T1) http://postmaster.info.aol.com/errors/421sdit1.html
421 SERVICE NOT AVAILABLE
SMTP error from remote mailer after end of data: host mailin-02.mx.aol.com [126.96.36.199]: 421-: (SDI:T1) http://postmaster.info.aol.com/error...dit1.html\n421 SERVICE NOT AVAILABLE
We don't Use MailScanner either.
Any suggestion or help much appreciated.