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Author: steve

Bad SPF can hurt your reputation

Can a bad SPF record ruin your delivery, even though all your mail still passes SPF? Yes, it can. One of our clients had issues with poor delivery rates to the inbox at gmail and came to us with the theory that it was due to other people using their domain to send spam to […]

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thirty.years.com

Thirty years ago this Sunday, symbolics.com was registered – the first .com domain. It was followed, within a few months, by bbn.com, think.com, mcc.com and dec.com. Symbolics made lisp machines – symbolics.com is now owned by a domain speculator. BBN is a technology R&D company who’ve worked on everything. If I had to pick one […]

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‘Tis the season

It’s the time of the year, when we celebrate a holiday by telling you about email.

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Mailbox preview and HTML content

I just received a slightly confusing email.     The From address and the Subject line are from Sony, but the content looks like it’s from email analytics firm Litmus. What’s going on here? Opening the mail it looks like a fairly generic “Oops, we lost a class-action lawsuit, have $2 worth of worthless internet […]

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New Year’s Resolutions

“Figure out what email is.”

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Merry Christmas

A retro merry christmas from everyone at Word to the Wise!

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Brief DBL false positive

A code glitch in a new DBL sub-zone known as 'Abused-Legit' caused the new Abused-Legit zone to list ".net." for 60 minutes from 08:35 UTC. — The Spamhaus Project (@spamhaus) December 17, 2014 Spamhaus are rolling out a new subzone of the DBL, for domains whose webservers have been compromised and used to host spam […]

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Lorem Ipsum for PII

When you’re developing code to handle data it’s almost essential to have a decent sized set of test data, so you can build a test harness to check on functionality and performance as you go. A common way of doing that is to take a snapshot of your production database and pull out an appropriate subset […]

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Friendly email addresses

Most of the time when we’re talking about email addresses, we’re talking about the actual user@domain format that’s used to send mail over the wire, but that’s not how we most often see them. When they’re used in a To: or From: header they’re usually associated with a display name – the “real name” of the […]

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STARTTLS and misplaced outrage

About a month ago someone posted a heavily elided screenshot that they claimed was evidence of their ISP, AT&T, sabotaging SMTP connections being sent over their network, meaning that anyone could sniff their passwords and traffic. This is it:     Most email people looking at that saw the asterisks in the banner and went […]

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  • Ongoing Yahoo delays

    I've been hearing from folks over the last few days that they're seeing an uptick in deferrals from Yahoo! The deferrals are not uniform. ESPs report they're seeing some, but not all, customers affected. Other ESPs aren't seeing any changes. It's not just you. But it would be very worthwhile to dig into engagement and other stats. It's possible this is a new normal at Yahoo! and they're tightening filters to catch mail that doesn't fit their standards but was previously difficult to filter.No Comments


  • AOL starts using Sender Score Certification

    Good news for Sender Score Certified IPs. Return Path recently announced that AOL has joined the list of ISPs offering preferential treatment to certified IPs.  1 Comment


  • iCloud Service Disruption

    40% of iCloud users were affected this morning during a service disruption between 2:15AM and 9:30AM. Apple System StatusNo Comments


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