Re: [exim] Rejecting non-RFC compliant email addresses?

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Autor: Matthew Newton
Data:  
Para: Gregg Berkholtz
CC: exim-users
Assunto: Re: [exim] Rejecting non-RFC compliant email addresses?
Gregg,

On Wed, Jun 08, 2005 at 02:16:26PM -0700, Gregg Berkholtz wrote:
> I've begun receiving emails with quotes or slashes in the recipient's
> address, and my exim daemon/config (v3.35) is accepting the addresses as
> valid - to a point... My understanding was that such characters, within
> email addresses, should not be treated as valid.


What makes you think that? As far as I am aware, pretty much anything is
allowed in the local part. Technically certain things are not OK if they
are unquoted (for example two .s next to each other). Quoting the local
part should be used in this case. i.e. .test@??? is not
technically correct, but ".test"@??? is OK. Similarly,
"hello/world"@??? should be fine.

Obviously the same does not hold for the domain part, which follows
normal DNS rules.

Others please correct me if I am wrong.

We have the following in our exim RCPT ACL:

  deny    local_parts = ^.*[@%!/|] : ^\\.


It might be what you need (or similar).

Hmmm... just noticed you are using exim 3.35. Not sure this will work
there. Sorry, you're probably on your own, as it's totally out of date
and most people seem to have forgotten how to configure it now.

HTH,

Matthew

--
Matthew Newton <mcn4@???>

UNIX and e-mail Systems Administrator, Network Support Section,
Computer Centre, University of Leicester,
Leicester LE1 7RH, United Kingdom