Tag: Authentication

Authentication Failures

12 December 2017

On the fourth day of Listmas, my data showed to me four authentication failures… Hey, it’s a song, okay? So, there are a number of ways to go to get authentication failures. Not everybody checks authentication, we could still be counting either DomainKeys or SenderID, etc. But, honestly, this is day 4 because that’s just Read More

Drafted for the wrong fight

8 March 2016

My friend [acp author=”Al Iverson” title=”SPF Still Matters in 2016″ id=”Iverson-01″ url=”http://www.spamresource.com/2016/03/spf-still-matters-in-2016.html” year=”2016″ month=”March” day=”7″ year_accessed=”2016″ month_accessed=”March” day_accessed=”7″ media=”blog”]{author} just wrote a new blog post: “{title}”[/acp]. One of the things that he said struck a chord with me: “‘But SPF is worthless,’ occasionally a spam fighter will cry.” It struck a chord with me because SPF wasn’t Read More

Something that authentication can’t help

9 October 2009

The email said, “Our last mailing had 30 complaints at AOL. Will signing with DKIM and SPF help with our reputation there?” In some ways, that is a fair question. We do talk about reputation a lot and how authentication ties into that. But, really, this is something that authentication can’t help because, for all Read More