.net is the customers address while .com is the corporate address. On Tue, Apr 1, 2008 at 1:05 PM, Sam Cayze <[EMAIL PROTECTED]> wrote:
> Ah, cool, thanks :) > > Curious, is your home address comcast.net or .com? > > Oddly enough, I can send to comcast.com address just fine... > > -----Original Message----- > From: Joe Heaton [mailto:[EMAIL PROTECTED] > Sent: Tuesday, April 01, 2008 2:57 PM > To: MS-Exchange Admin Issues > Subject: RE: Help: Can't send to Comcast.net?!? > > I understood that part Sam. Just meant that I tested it by sending an > e-mail from my work address ([EMAIL PROTECTED]) and it went through. > Your reply also mentioned that it could be specific outside domains > (your ISP being one of them). Hope you get it sorted... > > > Joe Heaton > > -----Original Message----- > From: Sam Cayze [mailto:[EMAIL PROTECTED] > Sent: Tuesday, April 01, 2008 12:23 PM > To: MS-Exchange Admin Issues > Subject: RE: Help: Can't send to Comcast.net?!? > > Yeah, it's kinda related to NON Comcast customers FYI. And it's ISP > specific. I had a bunch of people do a 'telnet mx1.comcast.net 25' for > me, and it worked for them. But for many of us who are SunGard > customers, and have them as our ISP, it's not working... > > > > -----Original Message----- > From: Joe Heaton [mailto:[EMAIL PROTECTED] > Sent: Tuesday, April 01, 2008 2:13 PM > To: MS-Exchange Admin Issues > Subject: RE: Help: Can't send to Comcast.net?!? > > I'm a Comcast customer, and have now successfully sent a message from my > work address to my home address, and replied back out. Guess it's not > all e-mail to Comcast, or they've fixed it. > > > Joe Heaton > > -----Original Message----- > From: Sam Cayze [mailto:[EMAIL PROTECTED] > Sent: Tuesday, April 01, 2008 11:34 AM > To: MS-Exchange Admin Issues > Subject: RE: Help: Can't send to Comcast.net?!? > > So I got a hold of someone at Comcast, I guess that are getting flooded > with calls about this, and they are telling people that we should use > SMTP port 587 and authenticate before we can send email? > > I'm confused? I know that if you are a [EMAIL PROTECTED] customer, you need > to configure your mail client to use these settings. But can they > require outside organizations to do this? Aren't they bound by some RFC > rules to allow unauthenticated smtp traffic on port 25? > > Plus, how in the heck would I even authenticate with them? Do I need to > open an account? Wft? This can't be right... > > -Sam > > > > > > > -----Original Message----- > From: Sam Cayze [mailto:[EMAIL PROTECTED] > Sent: Saturday, March 29, 2008 12:41 PM > To: MS-Exchange Admin Issues > Subject: RE: Help: Can't send to Comcast.net?!? > > FYI, it appears a few of the customers at our ISP have reported this > same issue. > > Our ISP confirmed that the packets are being sent out from the ISP's > internet Routers, but being dropped on the Comcast end. > > So now the pointing fingers game begins. > > > > > > > -----Original Message----- > From: Micheal Espinola Jr [mailto:[EMAIL PROTECTED] > Sent: Friday, March 28, 2008 4:05 PM > To: MS-Exchange Admin Issues > Subject: Re: Help: Can't send to Comcast.net?!? > > Oh no's! > > If this is accurate, Comcast's anti-spam is done by Symantec! > > http://www.comcastblacklist.com/?page_id=6 > > > On Fri, Mar 28, 2008 at 3:17 PM, Micheal Espinola Jr > <[EMAIL PROTECTED]> wrote: > > Someone posted a very good question to that 'A, MX, PTR' blog article > > since I posted the link. For those that are unfamiliar with PTR and > > HELO filtering by anti-spam filters, you might want to check out the > > question and my response(s). > > > > On Fri, Mar 28, 2008 at 1:37 PM, Micheal Espinola Jr > > <[EMAIL PROTECTED]> wrote: > > > > > Oh how I wish I had the time to be a "blogger", but I did make time > to > > > comment on DNS issues with anti-spam products: > > > > > > http://www.espinola.net/blog/archives/5 > > > > > > Summary: Make sure you have accurate A, MX, and PTR records for > your > > > outbound server. > > > > > > > > > On Fri, Mar 28, 2008 at 10:10 AM, Sam Cayze <[EMAIL PROTECTED]> > wrote: > > > > > > > So, do mean like having your PTR and reverse DNS setup correctly, > or > > > > something related to the nameservers? > > > > > > > > I will relay that info back to my provider. It seems another one > of our > > > > ISP's customer has also reported the same issue. > > > > Good to know John, thanks. > > > > -Sam > > > > > > > > -----Original Message----- > > > > From: Matteson, John H Jr USA Mr USA 25th SigBN (ITT) > > > > [mailto:[EMAIL PROTECTED] > > > > Sent: Friday, March 28, 2008 1:58 AM > > > > To: MS-Exchange Admin Issues > > > > > > > > Subject: RE: Help: Can't send to Comcast.net?!? > > > > > > > > Make sure that you have all the appropriate DNS entries on the > external > > > > DNS server. Comcast is getting twitchy about accepting mail form > certain > > > > netblocks and domains. My home is wired to Comcast and they > sometimes > > > > reject mail from my domain here. > > > > > > > > If you need to, contact Comcast's corporate headquarters and have > them > > > > help in resolving the problem. > > > > > > > > > > > > John H. Matteson, Jr. > > > > Systems Administrator/ITT Systems > > > > FOB Orgun-E > > > > Afghanistan > > > > DSN - 318 431 8001 > > > > VoSIP - (308) 431 - 0000 > > > > Iridium - 717.633.3823 > > > > Roshain - 079 - 736 - 3832 > > > > > > > > "A man who thinks of himself as belonging to a particular national > group > > > > in America has not yet become an American. And the man who goes > among > > > > you to trade upon your nationality is no worthy son to live under > the > > > > Stars and Stripes." Woodrow Wilson > > > > > > > > > > > > -----Original Message----- > > > > From: Sam Cayze [mailto:[EMAIL PROTECTED] > > > > Sent: Friday, March 28, 2008 1:53 AM > > > > To: MS-Exchange Admin Issues > > > > Subject: Help: Can't send to Comcast.net?!? > > > > > > > > All emails to Comcast are building up in our Queues and triggering > delay > > > > notifications. > > > > > > > > This is what I have tried: > > > > DNS Flush > > > > Verify our dns cache for Comcast.net matches that reported on > > > > dnsstuff.com. > > > > > > > > A telnet connection to Comcast MX servers times out/no response. > (And a > > > > few find folks on the nt-list verified for me that mx1.comcast.net > is > > > > indeed 'putting out'). > > > > I tried a telnet right to the IPs too. > > > > > > > > I kind of figured we are blacklisted, but from what I have heard > Comcast > > > > will actually send you an NDR back with an abuse message. > > > > Update: Just heard back from their abuse dept (in like 5 minutes - > > > > damn!) - we are NOT blacklisted. > > > > > > > > > > > > Ideas?!? ISP Problem? > > > > > > > > -Sam > > > > > > > > > > > > > > > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam > ~ > > > > ~ http://www.sunbeltsoftware.com/Ninja > ~ > > > > > > > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam > ~ > > > > ~ http://www.sunbeltsoftware.com/Ninja > ~ > > > > > > > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam > ~ > > > > ~ http://www.sunbeltsoftware.com/Ninja > ~ > > > > > > > > > > > > > > > > -- > > > ME2 > > > > > > > > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > > > ~ http://www.sunbeltsoftware.com/Ninja ~ > > > > > > > > > > > -- > > ME2 > > > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > > ~ http://www.sunbeltsoftware.com/Ninja ~ > > > > > > -- > ME2 > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ > ~ http://www.sunbeltsoftware.com/Ninja ~ > ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~
