[rt-users] Re: Request for feature

[Sean Perry]

Fabian Ritzmann wrote:

> Dmitry Monakhov wrote:
> 
> 
>>However the search is performed in case sensitive mode but rfc822 
>>describe mail addresses in case unsensitive mode.
> 
> 
> RFC 822 requires the email address local-part to be case sensitive, see
> section 6.1. RFC 2822 has this to say in section 3.4.1:
> 
>   The local-part portion is a domain dependent string. In addresses, it
>   is simply interpreted on the particular host as a name of a particular
>   mailbox.
> 
> On Unix systems, the local-part traditionally has been case sensitive,
> and still is on a lot of systems.
> 

many (most?) mail systems accept email addresses regardless of case.

The right answer here would appear to be default to case insensitive and 
an option to return to case sensitive when needed.  Most mail daemons 
handle this properly so only those stuck with truly old systems are an 
issue here.