Checking if email is valid

[Simon Connah]

> 

> 

> On 2023-11-02, Simon Connah simon.n.connah at protonmail.com wrote:
> 

> > Valid as in conforms to the standard. Although having looked at the
> > standard that might be more difficult than originally planned.
> 

> 

> Yes. Almost nobody actually implements "the standard" as in RFC 2822
> section 3.4.1 (which can contain, for example, non-printable control
> characters, and comments), nor is it particularly clear that they
> should. So while checking against "the spec" might sound right, it's
> highly unlikely that it's what you actually want. Would you really
> want to allow:
> 

> (jam today) "chris @ \"home\""@ (Chris's host.)public.example
> 

> for example? And would you be able to do anything with it if you did?

As I said in another post it would be interesting to see what broke when you tried to use an esoteric email address in the wild. Maybe when I'm bored :D.

Simon.
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