On 18-06-19 11:47 AM, Michael Rathbun wrote:
I have today learned that mdr-2...@ymail.com, mdr-2...@ymail.com, and
mdr-anythingat...@ymail.com all deliver to m...@yahoo.com.

Fascinating...

mdr


Standard operating procedure at many providers..

Sometimes the advertise it as 'Cosmetic' emails..

That way you can use 'mdr-websitename@' when adding to contact forms, so you can tell where the email address was used..

Other systems automatically, start with..

firstpart-secondpart-thirdpart@

They check for existence of the full email address first, then strip -part, and check again, until there are no more -parts.

Mailing lists often used this mechanism as well, to find the actual user that administrates mailinglistname-help@ etc..

Nothing to see here..



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