October 2019

If you're going to use your domain (or a custom domain) with an email platform, try, if at all possible, to use your main domain name. ...

October 31, 2019

Another anti-spam blacklist has ceased to exist. For more on the now-defunct Email Basura blacklist, head over to DNSBL Resource .

October 30, 2019

I've updated the XNND DNS lookup tool so that it you can now select "Multi DNS = yes" and the tool will now make the same DNS...

October 29, 2019

Gossip has been flowing through the back channels lately suggesting that Microsoft might be checking Sender ID email authentication DNS reco...

October 25, 2019

It appears that the email domain ono.com is going away. ONO was a Spanish broadband communication and entertainment company, purchased by Vo...

October 23, 2019

Email Compliance manager Skyler Holobach explains why you shouldn't act on clickbait advice you find on the internet. Read more >...

October 21, 2019

I'm pulling together information from various sources here, and using a bit of guesswork. So keep in mind that this info is not guarante...

October 17, 2019

This is pretty basic stuff; it's not inaccurate, but it's not complete. Most other ISPs have other things going on that can also res...

October 11, 2019

Wondering what different kind of bounces an ISP might give to you? Postmark put together this handy-dandy SMTP bounce example lookup tool. I...

October 9, 2019

Speaking of Spamhaus, this just popped up in my RSS feed reader. It looks like Spamhaus is going to take a harder stance against users who ...

October 1, 2019