Tag: audit

Check your tech

One of the things we do for just about every new client coming into WttW is have them send us an email from their bulk mail system. We then check it for technical correctness. This includes things like reviewing all the different From headers, rDNS of the connecting IP, List-Unsubscribe headers and authentication. This is […]

No Comments

Open Relays and Mail Sinks

Email is a “store and forward” protocol. The sender doesn’t connect directly to the recipient to send the mail with just one network hop, rather the sender connects to a mailserver (usually referred to as an “MTA”, short for Mail Transfer Agent) and sends the message there. Once that MTA has received the message it […]

1 Comment

Have you audited your program lately?

A few months ago, I got spammed by a major brand. I know their ESP takes abuse seriously, so I sent a note into their abuse desk. It bounced with a 550 user unknown. I sent another note into a different abuse address, it bounced. I sent mail into their corporate HQ, it disappeared into […]

1 Comment

The perfect email

Email is a fluid and ever changing landscape of things to do and not do. Over the years my clients have frequently asked me to look at their technical setup and make sure that how they send mail complies with best practices. Previously, this was a good way to improve delivery. Spamware was pretty sloppy […]


Thursday mini-audit part 2

A week ago you signed up for your mailing list using a virgin email address. (You didn’t? Maybe you should do that today – there’s no time like Thursday for a quick sanity check!) Check the mailbox for the account you signed up Is the mail you signed up for in the inbox? In the […]

1 Comment

What you should do Right Now – Thursday Mini-Audit

… if your company runs any sort of email marketing, anyway. Right now is the best time to do a mini-audit of your mail campaign. It’ll just take ten minutes, and if you put off doing it until tomorrow it’ll probably never get done. Go to your public-facing company home page. Does it have a […]

  • Lost in the mists of time

    Over on the Farsight Security blog Joe St. Sauver talks about some of the early days of online abuse, on usenet. Laura and I were on the periphery of early usenet abuse, mostly as users, but Usenet (and IRC) around then were the places we both started with email abuse.No Comments

  • 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