Comcast announced this morning that they’re having problems receiving mail and their customers are seeing significant delays. We are currently experience an issue which is causing a significant delay in receiving email. This is not a good thing and we are very aware of the problem and are working hard to restore it. Technical description for those who are interested: A problem on a couple...
Mythbusting deliverability and engagement
Yesterday I published an article talking about an engagement webinar hosted by the EEC and DMA. I made a couple predictions about what would be said. ISPs do monitor engagement, even if they do it differently than senders thought. Engagement is important for inbox delivery at some ISPs. Different ISPs have different ways of making inbox decisions. Engagement will matter more in the future. And...
Delays at Comcast
I’m seeing a significant amount of chatter on various lists that queues to Comcast are backing up right now. Looks to be something on their end.
Error messages are 421 “Try again later.” I’ll see if I can find someone at Comcast to give me some info.
DMARC and organizations
Comcast recently published a statement on DMARC over on their postmaster page. The short version is that Comcast is publishing a DMARC record, but has no current intentions to publish a p=reject policy for Comcast user email. Comcast will be publishing a p=reject for some of their domains that they use exclusively to communicate with customers, like billing notices and security notices. Comcast...
New player in the DMARC space
Over on the DMARC-Discuss list, Comcast announced they had turned on DMARC validation and companies that publish DMARC records should start receiving reports from Comcast.
Comcast blocking outgoing port 25
Comcast announced today they’re blocking outbound port 25 for their residential customers. What does this mean for email marketers? Not much, unless your home connectivity is through Comcast and then you’ll just need to follow Comcast’s directions in order to send mail. What does it mean for email receivers? It means a lot of us will be seeing a lot less spam from infected...
Comcast changes
I updated the Wiki a few weeks ago when I heard, but don’t think I posted anything here. Comcast has changed their delisting form page to . The old form is currently non-functional. You can fill it in, but it’s unconnected to anything on the back end and it won’t result in an IP being delisted from the various Comcast blocklists. My understanding is that the old form may come...
Mickey's take on e360 settlement
Mickey has the full docs of the settlement, and talks about the implications of the confession of judgment.
Comcast and e360 settle lawsuit
e360 initially filed suit against Comcast early in 2008. They asserted a number of things, including that Comcast was fraudulently returning “user unknown” notices and that they were certified by ReturnPath. Comcast filed a countersuit alleging violations of CAN SPAM, violations of the computer fraud and abuse act, as well as a number of other things including abuse of process. In...