On Thu, 7 Nov 2002, Orion Productions wrote:

>
> Thanks for the answer.
>
> I did some tests, and it appears however that XMail doesn't do any checks at
> all...  I used the CtrlClient command adduser and could enter anything as
> long as there weren't any characters in it that the OS (windows in this
> case) does not accept as directory names.
> So I couldn't use ? for example, but ! poses no problems, so from now on I
> have an e-mail address [EMAIL PROTECTED] and yes, although it looks
> very weird mail is delivered to it without problems (you may try)!  So can
> we suppose that any character except ? * / \ : " < > | can be used?
> (because these are the characters that can't be used as directory names
> under windows 2000).  Hm, yes, it looks like that, I tried different things
> such as {@orion-productions.com etc. and all of them work over the internet!
> But I guess @ can't be used as well, although XMail LETS ME CREATE IT
> WITHOUT ERROR!  wh@t#[EMAIL PROTECTED] ... no problem for
> XMail :-S  Even spaces can be used... no error message... so Davide, I guess
> some basic checking would be usefull ?
>
> Wait, before you think I'm some kind of weirdo who has nothing better to do
> than test all sorts of different e-mail addresses... think again: I provide
> our users with a webpage that contains a textbox where they can enter the
> desired username, so it's good practice to provide an input checking
> routine, and notify the users if they use characters that are not allowed...
> Therefore... My conclusion:
> Any character can be used except from the ones that the filesystem does not
> allow, the @-sign and spaces.
> Is this correct?  Or did I miss some?

You _have_ to check the input and I _have_ to perform RFC compliancy. This
is in my overflowing queue ( /dev/null ) ...



- Davide


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