Re: username specification for email system
Wesley Peng: > Hello, > > Is there the username specification for email system? > It seems most special characters like ".", "-", "+", "_", "#", "$" are > permitted in the username part. > And even ___username...@domain.com is right (like my sender account). > So I was confused. Email RFCs allow many localpart forms, but common sense limits that to a mix of -+_.a-z0-9, leaving all the special characters for use by the mail system. Wietse
Re: username specification for email system
On Thu, Sep 05, 2019 at 03:45:47PM +0800, Wesley Peng wrote:
> Is there the username specification for email system?
It is called "local-part". And yes, RFC 5321 and 5322 have a pretty
comprehensive spec for it.
The following is a valid e-mail address for example:
"alert('Ohhai')"@43-1.org
Regards,
Bastian
--
It is undignified for a woman to play servant to a man who is not hers.
-- Spock, "Amok Time", stardate 3372.7
Re: username specification for email system
On 2019-09-05 09:45, Wesley Peng wrote: Hello, Is there the username specification for email system? It seems most special characters like ".", "-", "+", "_", "#", "$" are permitted in the username part. And even ___username...@domain.com is right (like my sender account). So I was confused. Thanks. Have you tryied the RFC that defines email addresses? (even the space in allowed: or "my name"@example.com) patpro
username specification for email system
Hello, Is there the username specification for email system? It seems most special characters like ".", "-", "+", "_", "#", "$" are permitted in the username part. And even ___username...@domain.com is right (like my sender account). So I was confused. Thanks.
