On Monday 12 Dec 2011 20:49 my mailbox was graced by a message from Richard
Couture who wrote:
> >> So my feature request would be to support uppercase letters in
> >> usernames, like in openSUSE and Fedora.
> > You can already create a username with upper-case letters with useradd in
> > a console.
> I think that the RFC for EMail says that any user wishing to receive
> mail had better have no CAPS in his/her username
The local-part of the email address may use any of these ASCII characters RFC
5322 Section 3.2.3:
Uppercase and lowercase English letters (a–z, A–Z) (ASCII: 65-90, 97-122)
Digits 0 to 9 (ASCII: 48-57)
Characters !#$%&'*+-/=?^_`{|}~ (ASCII: 33, 35-39, 42, 43, 45, 47, 61, 63,
94-96, 123-126)
Character . (dot, period, full stop) (ASCII: 46) provided that it is not
the first or last character, and provided also that it does not appear two or
more times consecutively (e.g. [email protected] is not allowed.).
Special characters are allowed with restrictions including:
Space and "(),:;<>@[\] (ASCII: 32, 34, 40, 41, 44, 58, 59, 60, 62, 64,
91-93)
The restrictions for special characters are that they must be contained
between quotation marks and that 3 special chars (The space, backslash \ and
quotation mark " (ASCII: 32, 92, 34) must be preceded by a backslash \ (e.g.
"\"\\\ ").
Cheers,
Ron.
--
Hate is like acid. It can damage the vessel in which it is stored
as well as destroy the object on which it is poured.
-- http://www.olgiati-in-paraguay.org --
