http://tools.ietf.org/html/rfc2142

Says that mailbox names are supposed to be case insensitive.

-Thadeus




On Sun, Sep 27, 2009 at 3:20 PM, Thadeus Burgess
<[email protected]>wrote:

> RFC 2142 Section 2, Paragraph 2
>
> 2.  INVARIANT.....
>
>
>    Mailbox names must be recognized independent of character case.  For
>
>    example, POSTMASTER, postmaster, Postmaster, PostMaster, and even
>    PoStMaStEr are to be treated the same, with delivery to the same
>    mailbox.
>
>    Implementations of these well known names need to take account of the
>
>
>    expectations of the senders who will use them.  Sending back an
>    automatic mail acknowledgement is usually helpful (though we suggest
>    caution against the possibility of "duelling mail robots" and the
>
>
>    resulting mail loops).
>
>
>
> -Thadeus
>
>
>
>
>
> On Sun, Sep 27, 2009 at 2:15 PM, mdipierro <[email protected]>wrote:
>
>>
>> It is not obvious to me that upper and lower case in emails should be
>> equivalent? Is the an RFC about this?
>>
>> On Sep 27, 11:46 am, "mr.freeze" <[email protected]> wrote:
>> > I use a custom auth table and apply the TO_LOWER validator on email
>> > and username for this reason.   I agree, something like this should be
>> > done in the default auth table.
>> >
>> > On Sep 27, 2:07 am, Thadeus Burgess <[email protected]> wrote:
>> >
>> > > If you sign up with an account that has a capital letter in the email,
>> it
>> > > will say invalid login when you attempt to sign in.
>> >
>> > > It only works if your email is all lower case.
>> >
>> > > I have requires email confirmation, and requires approval turned on.
>> >
>> > > Also, the email field seems to be case SENSITIVE, meaning I can sign
>> up with
>> > > the same email if I capitalize different letters.
>> >
>> > > -Thadeus
>> >>
>>
>

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