[UA-discuss] Email Address Validation service providers?

Don Hollander don.hollander at icann.org
Fri Jun 16 19:34:51 UTC 2017

After a review of more than 1,000 websites for acceptance (or not) of email addresses in a variety of forms, the following conclusion is produced:

"We have also noticed that most of the websites are giving error message in the same style. That is to say there are only a few commonly used filtering providers. If these providers can be reached out, than their clients (websites) will automatically become UA ready.”

For those who do development, are there email validation routines or utilities that are commonly used?   If so, where do you go to find them.?


PS: The work done by ICANN’s Global Support Team, based on work that Donuts started several years ago, will be published before the end of this month.  Just putting some prose around the analysis and doing some additional reviews.

Don Hollander
Universal Acceptance Steering Group
Skype: don_hollander

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