Category: Asides

Ransomware email protected by DMARC

Virus bulletin has an interesting post about DMARC and how some criminals are protecting their emails with DMARC.

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A must read on engagement

I really can’t add anything to what Chad wrote in Opens, Clicks, And Blocks In The Third Age Of Email Deliverability

No Comments SMTP Issues engineers are investigating a SMTP connectivity issue. Status Page

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Listcast acquired by MailerMailer

Listcast, an email list management service, has been acquired.  MailerMailer will take over management and support of all Listcast customers effective immediately from Domainate, Inc.

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Barracuda Email Security Service disruption

Starting around 10:15 2:45 EDT this morning, the Barracuda Email Security Service is having a issues processing email for customers. More information on Twitter and reddit

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Congestion at Verizon

Yahoo! finally found their broken cable (I had no idea Yahoo had fiber) and fixed it. Now, I’m seeing a lot of reports that Verizon is accepting mail very, very slowly. Some folks are reporting no more than 20 messages a minute. This could be due to congestion, and just an underpowered system, or it […]

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Bounces at Verizon

There have been lots of reports of Verizon rejecting valid email addresses for a few hours this morning. They seem to have fixed things now but you probably want to make sure you didn’t suppress those addresses.

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What about the bots?

M3AAWG published a letter to the FCC addressing the implementation of CSRIC III Cybersecurity Best Practices (pdf link) The takeaway is that of the ISPs that contribute data to M3AAWG (37M+ users), over 99% of infected users receive notification that they are infected. I hear from senders occasionally that they are not the problem, bots […]

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Dealing with compromised user accounts

M3AAWG is on a roll lately with published documents. They recently released the Compromised User ID Best Practices (pdf link).

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Changing your email address

Over at Mediapost, Loren McDonald talks about how hard it’s been to change his email address when his employer got bought out.

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  • 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 other stats. It's possible this is a new normal at Yahoo! and they're tightening filters to catch mail that doesn't fit their standards but was previously difficult to filter.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 StatusNo Comments