Rich Shepard <[EMAIL PROTECTED]> wrote: > On Mon, 28 Jul 2008, Charles Marcus wrote:
[...] >> Are you doing SAV (Sender Address Verification)? You should NOT use SAV >> for general mail reception, you should only do SAV probes for sending >> domains you control and/or have gotten explicit permission to do SAV for. > > Not sure if that's enabled under a different name. Sender Address Verification (SAV) is done in Postfix with the reject_unverified_sender parameter; see postconf(5) for details. Before employing this feature, make sure you understand its implications and read the ADDRESS_VERIFICATION_README. >> Disable SAV... you will never be able to receive mail from the big vendors >> (gmail, hotmail, yahoo) if you are doing SAV probes all the time... > > I've had no problems -- and still don't -- receiving mail from gmail, > hotmail, or yahoo accounts except for this one instance. > > The sender (@hotmail.com) is using another company's server > (somedomain.com) between her and cox.net. It's that other company's server > to which I cannot trace the route and where dig and whois do not supply the > same IP address and domain name. There are several references to access(5) maps in your main.cf; do any of them have reject_unverified_sender as an action on the RHS? Check with: # grep reject_unverified_sender /path/to/maps/folder/* [...] -- Sahil Tandon <[EMAIL PROTECTED]>