[Wylug-help] OT: Valid characters for local part of email addresses?

Greg Sheard greg.sheard at ecsc.co.uk
Fri Dec 24 10:20:22 GMT 2004


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On Fri, 2004-12-24 at 09:07, James Holden wrote:
> Hello all, and greetings of the season!
>
> Can anybody point me to a definative answer to the above question? I'm
> finding a lot of conflicting information.
>
> More specifically to the problem I have in hand, is an apostrophe valid?

I checked this recently. RFC2821 gives the answer, but you have to grok
ABNF to get it.

The only valid characters in the local part of an Internet mail address
are:

[A-Z][0-9]!#$%&'*+-/=?^_`{|}~.

HTH, HANC

Greg.

--
Actually, NT is more like LSD with all the good effects filtered out.
 -- Andrew Maddox
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