Any RBL's used? On Tue, Jul 15, 2008 at 12:23 PM, Steve Hart <[EMAIL PROTECTED]> wrote:
> I have a customer that's complaining of erratic performance delivering > email to us. Sometimes it comes through; other times, it doesn't. > > I'm admittedly over my head, but I suspect a spam related blocking due to a > PTR record mismatch. They are sending mail from three domains, > nbf-trio.com, trioads.com and trionw.com. They all share the same email > server at 64.62.8.154. The PTR record reads mail.nbf-trio.com. The > server's same in an SMTP session is trionw.com. > > > We're running Exchange 2007 SP1. > > Exchange anti-spam is enabled, but all three of their domains are on our > allow list. > > We're also running Forefront, but all blocked emails are quarantined and > we're getting nothing there. > > I obviously have little contraol over a customer's email system. How can I > ensure that we recieve their emails? > > > > Thanks in advance, > Steve > > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~