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Tag: audit

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 […]

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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 […]

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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 […]

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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 […]

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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 […]

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  • AOL compromise

    Lots of reports today of a security problem at AOL where accounts are sending spam, or are being spoofed in spam runs or something. Details are hazy, but there seems to be quite a bit of noise surrounding this incident. AOL hasn't provided any information as of yet as to what is going on.4 Comments


  • ReturnPath on DMARC+Yahoo

    Over at ReturnPath Christine has an excellent non-technical summary of the DMARC+Yahoo situation, along with some solid recommendations for what actions you might take to avoid the operational problems it can cause.No Comments


  • AOL problems

    Lots of people are reporting ongoing (RTR:GE) messages from AOL today.  This indicates the AOL mail servers are having problems and can't accept mail. This has nothing to do with spam, filtering or malicious email. This is simply their servers aren't functioning as well as they should be and so AOL can't accept all the mail thrown at them. These types of blocks resolve themselves. 1 Comment


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