SMTP being blocked by certain providers

DJ Lucas dj at
Sun Oct 10 20:25:41 PDT 2004

Hey guys and gals, I've been getting a few bounce messges lately from 
AOL and Outblaze servers.  Specifically these nice tidbits:
Oct 10 21:45:39 pinski postfix/smtp[14392]: 151F91BA88: 
to=<budsangels at>,[], 
delay=108264, status=deferred (host[] 
refused to talk to me: 554- (RTR:BB) 554- AOL does not 
accept e-mail transactions from dynamic or residential 554- IP 
addresses. 554  Connecting IP:

Oct  9 15:41:20 pinski postfix/smtp[6894]: 151F91BA88: 
to=<jd_lucas at>,[], 
delay=5, status=bounced (host[] 
said: 554 EMail from mailserver at is refused. See (in reply to RCPT TO command))

Rather than constantly keeping up with the logs for the next few weeks, 
(well I could setup a job and script it I suppose) I was wondering if 
there is by chance is a list of providers blocking smtp from dynamic 
hosts, or better an automatic way to handle error 554?  If no for both, 
then I'd like to start up a list someplace.  My 'sever' is currently on 
swbell's network, so here is a quick excerpt from /etc/postfix/transports:

I'm slowly becoming a very curious controll freak, ;-) so pushing 
everything off to swbell is very undesireable.  Any suggestions or 
comments beyond that are much appreciated.

-- DJ Lucas

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