Absolutely, if that’s why the question was being asked. But even in that case, they still need to validate input during the COI process to reduce FPs when sending COI messages to domains with typos. A typo on the LHS means COI fails, which is the desired outcome. Plus, they can use other methods to reduce abuse of their COI process.
People should be validating email input fields as a matter of course. Ken. From: mailop <[email protected]> On Behalf Of Laura Atkins via mailop Sent: Thursday 26 May 2022 10:42 To: [email protected] Subject: Re: [mailop] Help with identifying invalid email domains Given that DuckDuckGo is in the business of forwarding email, they MUST use confirmed opt-in to avoid having someone mistype an email address. It’s not just the domain part that’s in consideration here, they need to ensure that typos don’t happen on the left hand side as well. I’d argue that typos on the LHS to different are a bigger problem than the occasional hit to a spamtrap as they’re forwarding PII to the address. laura On 26 May 2022, at 10:21, Ken O'Driscoll via mailop <[email protected]<mailto:[email protected]>> wrote: Hi Omid, If you are specifically looking to reduce domain related typos on user input, then you can use a project such asTypofinder<https://github.com/nccgroup/typofinder>. They also have a commercial offering. Alternatively, you could also look at implementing an address validation services. Most will do the same thing (and more) but will already have it wrapped up in an API for you to call. Validation can be a sketchy industry, EmailHippo<https://www.emailhippo.com/> and Kickbox<https://kickbox.com/> are examples of two legitimate players. Ken. From: mailop <[email protected]<mailto:[email protected]>> On Behalf Of Omid Majdi via mailop Sent: Wednesday 25 May 2022 20:00 To: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> Subject: [mailop] Help with identifying invalid email domains Hey all, I'm looking to see if anyone has compiled any lists of invalid email domains? Examples of such would be typo domains and/or domains that accept all local-part addresses such as gmai.com<http://gmai.com/>, gmail.co<http://gmail.co/>, googlemai.com<http://googlemai.com/>, or proton.com<http://proton.com/>. If there's any resources someone could share for known invalid domains that would be incredibly helpful. Thanks, Omid Majdi Product Lead DuckDuckGo, Inc. _______________________________________________ mailop mailing list [email protected]<mailto:[email protected]> https://list.mailop.org/listinfo/mailop -- The Delivery Experts Laura Atkins Word to the Wise [email protected]<mailto:[email protected]> Email Delivery Blog: http://wordtothewise.com/blog
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