AOL does operate their own, volume mail, blocking and require some sort of registration in order to send buld mail to AOL users. You may want to contact AOL for details.
Sorry I don't have that contact information readily available. On Tuesday, July 03, 2012 11:19:05 Robert Fitzpatrick wrote: > Looking for some advice, hope it's OK to ask here. I have a few > customers over the past several months start getting an unusual amount > of messages being blocked or returned when sending via our SMTP servers. > I have checked that none of our servers are listed on any databases, but > after some querying of the customers involved, I have found that they > all have recently been sending mailing to their customer lists. Even > though all of them assure me that these lists are only of the opt-in > variety, it is the only thing they all have in common and seems to be > the problem. > > I have also noticed that every time one of these mailings is sent with > several AOL users, our servers will be temporarily blocked. Are there > some precautions I should take to possible get their mails trusted? Any > other advice? > > -- > Robert -- Larry Starr Software Engineer Full Compass Systems 9770 Silicon Prairie Pkwy Madison, WI 53593-8442 P: 608-831-7330 x1347 F: 608-831-6330 E: lar...@fullcompass.com
