This is going over my head, I'm afraid. How can the accepting host know that the sending server has a dynamic IP address? Surely it's not changing in the middle of a mail send? Is the recipient doing a reverse DNS lookup or something?
Trying to learn something in Pittsburgh Jim Helfer Greg Sachs wrote: > I've had problems from a dynamic dns site on a cable modem sending to > aol for a long time. ISP's smtp server is the only way to go - > smarthost is one way, you can also set up an smtp connector to send > mail to specific domains to your isp's smtp server such as aol.com. > Your choice if you trust your isp's mail server more, or your ability > to keep the list on your connector current for domains that won't > except your outgoing email directly > > -----Original Message----- > From: Dickenson, Steven [mailto:[EMAIL PROTECTED] > Sent: Thursday, July 31, 2003 9:12 AM > To: Exchange Discussions > Subject: RE: Anyone else having trouble with AOLs new SPAM rules? > > > Use your ISP's SMTP server as a smarthost for all outgoing mail. > > Steven > --- > Steven Dickenson <[EMAIL PROTECTED]> > Network Administrator > The Key School, Annapolis Maryland > > -----Original Message----- > From: Bubba G [mailto:[EMAIL PROTECTED] > Sent: Thursday, July 31, 2003 9:12 AM > To: Exchange Discussions > Subject: Anyone else having trouble with AOLs new SPAM rules? > > > I have architected for Fortune 10s... but this time I have a small > server on a home network. I use DynDNS.ORG to update the A and MX > records. AOL has just instituted a new policy rejecting any email > server coming from a dynamic IP address. I have emailed them asking > about this but I know they will respond with something like "We are > attempting to reduce SPAM"... even though I reject SPAM on my > server's SMTP connector based on IP because SPAMmers typically use > the same ISPs and static IP addresses... and there are only a handful > of ISPs that allow spammers knowingly. > > Anyone else had problems with this lately... or more importantly > found a way around it (other than getting/paying for a static IP > address)? > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&; > lang > =english > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&; > lang=english > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang =english > To unsubscribe: mailto:[EMAIL PROTECTED] Exchange > List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
