On Sat, 29 Jun 2002, Derrick Hudson moaned:
>| ,----
>| | 501 <mail@st_agency.com>: malformed address: _agency.com> may not
>| | follow <mail@st
>| `----
>
> That's right. "_agency.com" may not follow "mail@st".
>
> See RFC 2821, section 4.1.2. :
>
> [...] characters outside the set of alphas, digits, and hyphen
> MUST NOT appear in domain name labels for SMTP clients or servers.
> In particular, the underscore character is not permitted. SMTP
> servers that receive a command in which invalid character codes
> have been employed, and for which there are no other reasons for
> rejection, MUST reject that command with a 501 response.
I thought I remembered something about RFC but it eluded me :)
>| In my fetchmail log,
>
> You're not using the option
> mda "/usr/sbin/exim %T"
> in your .fetchmailrc? That's not good since fetchmail does not have a
> complete SMTP implementation. (ie it won't bounce messages like the
> above that are rejected by exim)
>
I don't use mda in my fetchmail, so you think it maybe better to use it
instead of using the smtp in fetchmail.
>| Any suggestions
>
> Don't do syntax checks if you want to allow invalid syntax :-). If
> you are using exim 4 (I'm not sure about exim 3) you can sidestep the
> problem using the 'mda' option in fetchmail -- local injection of mail
> is not subject to the ACLs.
>
I prefer to use as much security as possible :)
Sean
- --
Sean Rima http://www.tcob1.net
Linux User: 231986 Jabber: tcobone@???
THE VIEWS EXPRESSED HERE ARE NOT NECESSARILY THOSE OF MY WIFE.
