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Tag: realtime address verification

Sending mail to the wrong person, part eleventy

Another person has written another blog post talking about their experiences with an email address a lot of people add to mailing lists without actually owning the email address. In this case the address isn’t a person’s name, but is rather just what happens when you type across rows on they keyboard. These are similar […]

6 Comments

Verifying addresses after POS collection

Collecting email addresses at point of sale is a challenge. Some stores collect the addresses electronically, where the clerk or the customer types addresses directly into the register. Smaller stores, however, typically collect addresses on a sheet of paper at the cash register. Eventually someone takes the list and types it into whatever contact management […]

3 Comments

Email verification – what are we verifying

One of the ongoing discussions in the email space is the one about address verification. Multiple companies have sprung up to do “real time” email address verification. They ensure that addresses collected at the point of sale are valid. But what does valid mean? In most of these contexts, valid means that the addresses don’t […]

2 Comments

Address verification

In the comments on my Address Verification in Real Time Ken asks: are there any legal issues in doing a large number of bulk SMTP transactions where you would connect issue say 20 RCPT TO commands to verify the user then send a RSET and QUIT. Immediatley connect again and do another 20 RCPT TO’s […]

3 Comments

What are you validating?

Al throws in his own two cents on the question of real time address validation.

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Can you verify email addresses in real time?

In a recent discussion about spamtraps and address lists and data collection a participant commented, “[E]very site should be utilizing a real-time email address hygiene and correction service on the front end.” He went on to explain that real time hygiene prevents undeliverable addresses and spamtraps and all sorts of list problems. I was skeptical […]

11 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


  • Fixing discussion lists to work with new Yahoo policy

    Al has some really good advice on how to fix discussion lists to work with the new Yahoo policy. One thing I would add is the suggestion to actually check dmarc records before assuming policy. This will not only mean you're not having to rewrite things that don't need to be rewritten, but it will also mean you won't be caught flat footed if (when?) other free mail providers start publishing p=reject.No Comments


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