Checking if email is valid

[dn]

On 02/11/2023 20.28, Simon Connah wrote:

> I'm not sure that would be practical. As I'm setting up a mailing list server I don't know if someone in the future is going to need to use one of those aliases and testing manually would be tedious.

Please re-read.
Discussion is about "closeness".
Thus, what you might expect from email servers and Admins, NOT what you 
should do. That part should be quite evident by now!

-- 
Regards,
=dn