The Internet Archive is back ... partially. After a data breach and denial-of-service attack brought the site down on October 9th , the service appears to be (somewhat) resurrected. On the Inter…
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Microsoft's Exchange Online was suffering from a false positive filtering issue that led it to flag some emails as malware and quarantine them based on a false positive signa…
Were you concerned about a drop in open rates starting on Thursday, July 25th, and running through most of the weekend? It turns out, it's not just you. Apple suffered an out…
Starting perhaps around 7:00 am US central time on Friday, June 21, many senders started to see inbound email delivery delays when sending mail to Yahoo Mail subscribers (Yahoo, …
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 ma…
Microsoft's SNDS (Smart Network Data Services) , the reputation portal that provides deliverability feedback for folks sending to Microsoft Outlook.com/Hotmail, appears to ha…
Microsoft's SNDS ( Smart Network Data Service ) reputation feedback portal is having trouble at the moment. For at least the past week, people have been reporting that attemp…
Multiple folks have reported via multiple forums today (May 22nd) that Yahoo's ISP Feedback Loop (called the " Complaint Feedback Loop /CFL") may not be working pr…
Looks like GPT is down again -- it's not just you. The user interface for Google Postmaster Tools is showing a spinning wheel and nothing else, as of 9:00 am US central time…
Mashable's Tim Marcin and others are reporting that a failure in Microsoft's spam filtering has resulted in Outlook.com (Hotmail) users receiving a bunch of spam in the…
From 17:00 GMT on Feb 16th through 09:50 GMT on February 17th, spam filterer/security service Spamhaus suffered an outage that meant that "data included in the Data Query S…
Google Postmaster Tools , the very handy domain reputation dashboard provided free of charge from the folks behind Gmail, is having trouble right now. Since at least early aftern…
Multiple folks are warning that internet security company Cyren is on the verge of shutting down . The company itself has not exactly said this, but reading between the lines, i…
Italia Online/Libero Mail was having inbound email issues from January 22nd through 29th, impeding attempts to send mail to the domains libero.it, virgilio.it, inwind.it, iol.it,…
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…
Google and various news outlets are reporting that Gmail had a significant outage today (Saturday, December 10th). Google reports that as of 4:16 PM UTC (10:16 AM US central ti…
Multiple folks over on the Mailop list are reporting that Microsoft OLC (Outlook.com/Hotmail/etc)'s IPv6 inbound mail servers are deferring inbound mail delivery attempts wi…
Ohio broadband provider Buckeye Broadband is reporting that its bex.net email service is offline. If you're a sender, I recommend pausing all sends to bex.net (and any othe…
It's not just you! Many folks are reporting that Google Postmaster Tools is currently showing no data. I'm seeing this as well. In my case, my last data points appear to …
