i'm dumb
Physician, heal thyself: Even I can get auth wrong!
Here is a fresh slice of humble pie: even after years of advising senders on authentication protocols and email best practices, I managed to...
Topic
oops
friday
Friday fun: Lorem ipsum dolor sit amet
Before my current life in this email universe, I worked in print production and pre-press , helping to assemble assemble advertising layouts...
apple
Having trouble with Apple Mail? You're not alone
If you've updated to iOS 18.5 recently and suddenly found that the Mail app on your iPhone is acting more like a frozen popsicle than a ...
bounces
SMTPUTF8 Errors and Bad Encoding: A Story
Has this ever happened to you? Because it just happened to me! In theory, I should be on top of this sort of thing, because I've been wr...
history
Email Faceplants: When Hitting Send Hits Back
I once sent an email that made me want to crawl under my desk and disappear. But we’ll get to that in a minute. First, check this out: A pub...
downtime
Microsoft 365 was quarantining some image-containing emails (EX873252)
Microsoft's Exchange Online was suffering from a false positive filtering issue that led it to flag some emails as malware and quarantin...
deliverability monitoring
Play the lottery? Check your spam folder!
Oof, stories like this one make me want to cry . Sounds like emails from the Michigan Lottery were going to the spam folder. Hey, whoever...
authentication
Fun with bad data: That doesn't go there!
Today's data question: What if we scanned the top one million domains, looking for DMARC records and DKIM records misconfigured so that ...
dmarc
Don't double up on DMARC
Here's a new oops that I've observed a few times recently! In case you didn't know already, you can't have two DMARC records...
false positives
Spamhaus: False positive issue on Friday 10/13
A number of folks have reached out to me (and posted on various forums) asking about a Spamhaus glitch last Friday night (October 13th), US ...
amazon
Oops: Important information about your Amazon gift card order
Don't fret! If you received an email from Amazon warning about gift card fraud that seems to imply that you recently purchased a gift ca...
css
Spamhaus glitch Friday night
Blocklist provider and master spam-filterer Spamhaus had a glitch overnight (Friday to Saturday, August 18-19) starting at about 8:20 pm US...
authentication
Hotmail.com SPF issue on August 18th
Looks like Microsoft has run into email authentication issues today. Specifically, the domain hotmail.com appears to have a broken SPF recor...
chicago tribune
Robservations: Tribune Publishing apologizes for phony phishing expedition
Chicago media reporter Robert Feder shared an interesting story today. The Chicago Tribune recently sent a simulated phishing email to empl...
apple
Whoops: iOS 11 Mail Microsoft Issues
If you've upgraded your iPhones to the just-released iOS version 11 and your email is hosted by Microsoft's Outlook.com, Office 365 ...
ahbl
Ask Al: Help! AHBL is blocking inbound mail!
Mickey writes, "I'm being blocked by AHBL. I own a tax and accounting firm. We send out two newsletters per year to our existing cl...
gmail
Gmail Oops
As reported over on the iDownload blog (and as mentioned to me by others), Gmail had a significant oops lately. Apparently, there was some ...
email errors
A Heck of an Oops
On December 28th, the NY Times sent an email, intended to go to about 300 people, out to over eight million email subscribers. At first, Tim...
blocklists
MAPS Blacklisted? It's True!
If this isn't proof that it can happen to anyone, I don't know what is: Apparently MAPS has a compromised computer, found to be send...
google
Google Code Search
On Friday, NetworkWorld talked about Google's new "Code Search" tool : "The company's new source-code search engine...