BLOG

Category: Asides

HE.net DNS problems

Hurricane Electric had a significant outage of their authoritative DNS servers this morning, causing them to return valid responses with no results for all(?) queries. This will have caused delivery problems for any mail going to domains using HE.net DNS – which will include some of their colocation customers, as well as users of their […]

No Comments

65.0.0.0/8 DNS issues

If you’re sending email from any address beginning with a 65 – in 65.0.0.0/8 – it’s possible you’ll see some delivery problems. Something appears to be broken with dnssec signatures for the reverse DNS zone, leading queries for reverse DNS to fail for anyone using a dnssec aware DNS resolver (which is almost everyone).

1 Comment

Our green bar certificate is going away

Later today we’ll be switching from an Extended Validation (“green bar”) SSL certificate to a Domain Validation certificate. This isn’t exactly a planned change but I’m waiting for responses from Comodo before I go into it too much. I’ll share some more details next week.

3 Comments

Lost in the mists of time

Over on the Farsight Security blog Joe St. Sauver talks about some of the early days of online abuse, on usenet. Laura and I were on the periphery of early usenet abuse, mostly as users, but Usenet (and IRC) around then were the places we both started with email abuse.

No Comments

Ongoing Yahoo delays

I’ve been hearing from folks over the last few days that they’re seeing an uptick in deferrals from Yahoo! The deferrals are not uniform. ESPs report they’re seeing some, but not all, customers affected. Other ESPs aren’t seeing any changes. It’s not just you. But it would be very worthwhile to dig into engagement and […]

No Comments

AOL starts using Sender Score Certification

Good news for Sender Score Certified IPs. Return Path recently announced that AOL has joined the list of ISPs offering preferential treatment to certified IPs.  

1 Comment

iCloud Service Disruption

40% of iCloud users were affected this morning during a service disruption between 2:15AM and 9:30AM. Apple System Status

No Comments

Clear and Clearwire.net

As of April 15th, Clearwire will no longer support their CLEAR Email/Clearwire Email services which include @clear.net and @clearwire.net mail domains. They were acquired by Sprint and these domains will bounce after April 15th 2015. Many thanks to Anthony Chiulli from Salesforce for the tip.

6 Comments

iCloud Postmaster resources

iCloud Mail (mac.com, me.com, icloud.com) has a shiny, new postmaster resources page. No whitelist, no FBL, just a good list of best practices to follow for sending bulk mail.

1 Comment

Verizon agrees to buy AOL

Verizon Agrees to Buy AOL for $4.4 Billion

No Comments
  • AOL FBL change

    Reminder for folks, AOL is changing their FBL from address starting on Jan 17th. AOLlogoForBlogThe (in)famous scomp@aol.net is going away to be replaced by fbl-no-reply @ postmaster.aol.com. These messages will be signed with the d= mx.postmaster.aol.com. Time to update your scripts!No Comments


  • Vague reports of Yahoo problems

    A number of people, on different forums, have been asking if anyone is seeing a higher bounce rate than usual with Yahoo. Not sure exactly what's going on here. As I understand it, folks are talking with Yahoo about it. If I hear anything more, I'll share. For now, though, if you're seeing a small increase in Yahoo bounces (or other weirdnesses) others are seeing something odd, too.No Comments


  • Responsive design just got easier at Gmail

    Today Gmail announced they are supporting media queries in Gmail and Google Inbox. This should simplify the creation of emails for multiple platforms. The full list of supported rules can be found on the Google Developer Site.No Comments


Archives