Showing posts with the label deliverability issues

Microsoft: Intermittent STOREDRV.Deliver errors on April 9th

Are you tying to send mail to users at Microsoft OLC domains like Outlook.com and are receiving rejections back that look like this: 532 5.3.2 STOREDRV.Deliver; Missing or bad mailbox Database property If so, know that you are not alone. Microsoft seems to be rejecting some per…

Microsoft: 451 4.7.500 Server busy delays on Wednesday 10/11

Today, Wednesday, October 11th, many senders are reporting trouble (specifically, delayed mail) when attempting to send email to Microsoft-hosted subscribers. Here's more on the issue from Steve Atkins from Word to the Wise .  I'm keeping a close eye on my Office365 adm…

Do you have a deliverability problem? Do I?

That screenshot above is from an email message that I received recently. I get a lot of wacky emails, but this one takes it to a whole new level. This person did not research his target very well, and I find the content to be borderline deceptive. They are careful to say "…

Gmail issues? You're not alone

Multiple folks are reporting Gmail delivery issues today -- both "571" style spam bounce blocks and spam folder placement. Some of the affected folks seem to be sending corporate mail, outbound from Proofpoint or Microsoft O365 hosted environments. It happens to some …

When is a deliverability issue not a deliverability issue?

If you can't deliver mail to Yahoo or Gmail, or to mailboxes hosted behind Proofpoint or Mimecast, you've got a deliverability issue. But if you can't deliver mail to yourself, you've probably got a whitelisting (allow listing) issue, and not a deliverability …