Thanks, Dan. That actually made sense to me! I think the tech support guys at CenturyTel are just reading from a list of troubleshooting questions, and didn't know what to do with mine. But it sounds like I can't use LRP's SMTP server anyway, since I don't have a static IP address.
I got the rest of my lists moved over to HostDime's built-in mailing list, and LRP is shut down for now. We'll see how this goes for a while. I really hate leaving LRP, though. I've used it since Feb 1998 when then FogCity Software's Will Mayall gave a copy to all Mac User Groups. Since then we've updated each version, and it has worked flawlessly. But using my ISP's server with my own domains just isn't working now that they've "upgraded" keeping me from relaying anymore via LRP. (oddly, I can still relay just fine with Apple Mail and MS Entourage.) I'll still hang around and see what changes are made with LRP, although the list isn't as active as in the past. I guess no one else is having problems. (Actually, I don't know how busy it has been, because when I went to post my question last Sunday, I wasn't subscribed any more, and had to re-subscribe. I've had to d othis a few times over the years.) Thanks for all the suggestions, Steve -- Steve Morris [EMAIL PROTECTED] 'askNCMUG' Mailing List Administrator North Coast Macintosh Users Group, Cleveland, Ohio askNCMUG web page http://homepage.mac.com/ncmug_oh/askNCMUG/ On 5/6/07 4:40 PM, "Dan C. Rinnert" <[EMAIL PROTECTED]> wrote: > At 10:22 -0400 5/6/07, Steve Morris wrote: >> I don't know what reverse DNS is, and when I asked the service tech about >> your previous recommendation of having a reverse DNS, he didn't know what I >> was talking about, either. > > Standard DNS checks to see what IP address is associated with a > hostname, so, when you try to connect to mail.domain.dom, the DNS > server will see what IP address is associated with that hostname. > For example, let's say that the IP address for mail.domain.dom is > 127.0.0.1. > > With reverse DNS, it's the opposite. The DNS server checks to see > what hostname is associated with an IP address. In our example, it > would take 127.0.0.1 and try to figure out what hostname is > associated with it. > > If reverse DNS is setup, then it will be able to determine that the > hostname is mail.domain.dom. If reverse DNS is not setup, it will > not be able to determine the hostname, or it may find that it is > something other than what was expected, such as mail.thirdparty.dom. > > In the case of spam blocking, a reverse DNS will be done on the IP > address to verify that it is coming from the expected hostname. If > it is not, or if there is no reverse DNS entry, then the mail will be > flagged as spam, and blocked or filtered accordingly. > > A reverse DNS entry is done through the PTR record (pointer record). > > RFC 1912 (February 1996) advises that every Internet host should have > a name and that the PTR and A records must match. -- This message is from the Letterrip-Talk Mailing list. To unsubscribe, send mail to: [EMAIL PROTECTED] Archive: http://www.mail-archive.com/letterrip-talk%40lists.letterrip.com/
