[Koha-bugs] [Bug 33633] Check if email exists

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33633

--- Comment #4 from David Cook <dcook at prosentient.com.au> ---
(In reply to Christopher Brannon from comment #3)
> (In reply to David Cook from comment #2)
> > There's no simple way to test the existence of an email address before
> > actually trying to send an email.
> 
> There are sites that will test.  Like https://email-checker.net/.  It even
> seems to offer an API.  Even if it isn't 100%, it could offer a way to say
> to staff, hey, something might be wrong here.  Better verify.  And then we
> can mark if it has been verified.

As I said before, there are entire software systems devoted to this, yes. 

If you look at the "How do we verify an email" section of
https://email-checker.net/, you'll see that it's a multi-step process  and not
100%. 

Koha already checks the email address format.

Previously, we've talked a bit about checking the domain name and MX records,
but it never went anywhere. 

As for simulating sending a message, that's more complex. 

Perhaps this is an area where a Koha plugin hook could be added.

> > However, perhaps there could be a better way of falling back to another
> > method if one fails. 
> > 
> > Also, Koha could include an "email_verified" column. Many systems will ask
> > you to verify your email. That could be a worthwhile addition to Koha for
> > sure.
> 
> Yes, I have actually filed another bug somewhere asking for that very thing.
> Maybe someday.  :)

If you sponsor the change, it'll be more likely to get done.

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