Quoting Jason Sievert <jsievert at jsievert.net>:

> Hey guys, got a problem that I wonder if any of the home email server
> people have found a way around.  I host my own email/web site from home
> off of a comcast cable connection and came across this in my mail logs
> last night.  
> 
> Nov 11 04:58:05 [postfix/smtp] 2E97CB2479: host
> mailin-02.mx.aol.com[64.12.137.121] refused to talk to me: 554- (RTR:BB)
> http://postmaster.info.aol.com/errors/554rtrbb.html 554- AOL does not
> accept e-mail transactions from dynamic or residential 554- IP
> addresses. 554  Connecting IP: 66.41.162.51
> Nov 11 04:58:05 [postfix/smtp] 2E97CB2479: to=<xxxxxxx at aol.com>,
> relay=mailin-03.mx.aol.com[64.12.137.152], delay=16717, status=deferred
> (host mailin-03.mx.aol.com[64.12.137.152] refused to talk to me: 554-
> (RTR:BB)  http://postmaster.info.aol.com/errors/554rtrbb.html 554- AOL
> does not accept e-mail transactions from dynamic or residential 554- IP
> addresses. 554  Connecting IP: 66.41.162.51)
> 
> I know what this means but is their a way around it?
> 
> Thanks all,
> Jason
> 

As you likely know, AOL and others use a variey of blacklists, including lists
of residentiall assigned IP blocks, to help lower their spam count, the
rationale being that anything not going through an ISP mail server from a home
user must be zombie-spam. 
To get around this you can either set up your ISP's SMTP servers as a smarthost
for your mail server, or you can host your mail somewhere else, either a colo
or a virtual linux host which is popular today. I run my mailserver from a
virutal linux host, in my case I believe they run user mode linux, to get
around this fact. I think I pay $20.00/month for this service, and it's kind of
cool to have a host somewhere else to play with.

Josh

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