fcc
Is Yahoo.com a wireless domain?
First published in 2005 , the FCC's Wireless Domains list was intended to be a list of domains associated with mobile devices (cell pho...
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interestingsbls
Interesting SBLs is back
Ever seen the @InterestingSBLs twitter account? It's kind of interesting and occasionally entertaining. It highlights various SBL entrie...
mailchimp
Purchased lists? DOA.
MailChimp's John Foreman explains the usual reasons why sending to purchased lists is a bad idea, but then he adds on one important prac...
brian krebs
Pre-order Spam Nation by Brian Krebs
From Brian Krebs: "The backdrop of the story is a long-running turf war between two of the largest sponsors of spam. A true-crime tale ...
gmail
Does Gmail use Spamhaus blacklists?
Probably, implies Return Path based on a correlation between a typical Spamhaus blacklisting and drop in inbox delivery rates at Gmail. I t...
ask al
Ask Al: Should I add a DMARC record to fix the Yahoo issue?
A friendly representative of a company who helps small businesses sell products asked: "We're having problems forwarding mail from...
email privacy tester
Check out this neat thing: Email Privacy Tester
Smart web developer and systems admin Mike Cardwell put together something neat that I think you'll want to check out: Email Privacy Tes...
dmarc
DMARC does only one thing (but pretty well)
DMARC (specifically, DMARC with a p=reject policy) does one thing: It makes it very difficult for somebody to use your domain in a from addr...
dkim
OpenDKIM & SpamAssassin Gotchas on Ubuntu 12.04
Allow me to share with you my rough notes compiled during my recent configuration of email and DKIM on a new Ubuntu VPS installation. Hopefu...
funny
106 miles to Chicago
If you've ever set up catch-all domain names, that accept mail destined to any address, or set up your MTA in a way where all mail is ac...
bad ideas
Blast from the past: Challenge/Response Filtering?
A few weeks ago, somebody on the Mailop list asked about an email they received. Turns out, it was a Challenge/Response spam filter. You kno...
dkim
Signing outbound list mail with OpenDKIM
For my server running the discussion mailing lists that I host, I'm running OpenDKIM, OpenDMARC and Postfix on Ubuntu. I run a custom ma...
dmarc
Yahoo on Yahoo's new DMARC Policy
What impact has Yahoo's new "p=reject" DMARC policy had on spam claiming to be from Yahoo.com? "DMARC has reduced spam pu...
email security
The Current State of TLS over SMTP?
Michael Adkins, Mail Integrity Engineer at Facebook summarizes it thusly : "STARTTLS encryption is widely supported and has achieved cr...
dkim
Yahoo Groups rewriting from addresses to handle DMARC policy
As reported on the Mailop list today, Yahoo has modified their Yahoo Groups discussion group service to "play nice" with posts fr...
andrew bonar
Gmail’s message to email marketers: Focus on engagement
Campaign Monitor's Andrew Bonar reports on the takeaways from a recent presentation and Q&A session where Gmail's Sri Somanchi ...
data
How popular is Yahoo Mail?
That's a question I get asked from time to time, so I figured this would be a good place to link to numbers. As reported on CNET today :...
dkim
Google Groups rewriting from addresses to handle DMARC policy
Now that Yahoo and AOL have both implemented "p=reject" DMARC policies, Google has modified their Google Groups discussion group ...
aol
AOL Adopts New DMARC Policy
Today, AOL announced that they, too, have adopted a "p=reject" DMARC policy . The same considerations previously mentioned as app...
dmarc
Yahoo DMARC Policy Change Roundup
Surprise! Or was it? I've been warning for a while now that DMARC doesn't play nice with mailing lists . But really nobody, not even...
ask al
Ask Al: Is my personal domain affected by DMARC?
All this talk about Yahoo's recent DMARC policy change got a friend to ask me about her domain name and whether or not this change has ...
dmarc
Yahoo Statement on new DMARC policy
Yesterday, Yahoo posted " an Update on our DMARC Policy to Protect Our Users ." They've also posted " Yahoo DMARC Policy ...
dkim
Yahoo DMARC Policy: Why they did it.
How dare Yahoo update their DMARC policy without warning the internet community of the potential fallout from doing so. At least, that'...
dan randow
How OnlineGroups.net used the Yahoo! DMARC crisis to make a better Mailing List Manager
Yahoo's recent DMARC policy change didn't just break somebody's church list. It also caused problems for every single discussio...