Re: invalid sender creates havoc

2009-07-30 Thread Jared Johnson
On 07/29/2009 09:39 PM, Ask Bjørn Hansen wrote: On Jul 29, 2009, at 12:07, Jared Johnson wrote: We recently noticed a message in our postfix queue that thought it was addressed to " foo.com". After examining it, it turned out that Qpsmtpd accepted a MAIL FROM command formatted like so: MAIL

Re: invalid sender creates havoc

2009-07-30 Thread Jared Johnson
On 07/30/2009 07:11 AM, Peter J. Holzer wrote: On 2009-07-29 14:07:53 -0500, Jared Johnson wrote: We recently noticed a message in our postfix queue that thought it was addressed to " foo.com". After examining it, it turned out that Qpsmtpd accepted a MAIL FROM command formatted like so: MAIL

Re: invalid sender creates havoc

2009-07-30 Thread Peter J. Holzer
On 2009-07-29 14:07:53 -0500, Jared Johnson wrote: > We recently noticed a message in our postfix queue that thought it was > addressed to " foo.com". After examining it, it turned out that Qpsmtpd > accepted a MAIL FROM command formatted like so: > > MAIL FROM: Weird. Ah, I see the problem

Re: invalid sender creates havoc

2009-07-29 Thread Ask Bjørn Hansen
On Jul 29, 2009, at 12:07, Jared Johnson wrote: We recently noticed a message in our postfix queue that thought it was addressed to " foo.com". After examining it, it turned out that Qpsmtpd accepted a MAIL FROM command formatted like so: MAIL FROM: Weird tha postfix would munge it. I

Re: invalid sender creates havoc

2009-07-29 Thread Chris Lewis
Lewis, Chris (CAR:W669) wrote: Here's a useful meta-reference: http://www.rfc-ignorant.org/rfcs/rfc2821.php#page72 an search for "source route". I didn't mention: there is now no good reason whatsoever to accept source routes - they date back to the arpanet. It's been deprecated since RFC

Re: invalid sender creates havoc

2009-07-29 Thread Chris Lewis
Jared Johnson wrote: We recently noticed a message in our postfix queue that thought it was addressed to " foo.com". After examining it, it turned out that Qpsmtpd accepted a MAIL FROM command formatted like so: MAIL FROM: When it passed it to postfix, it transmographied it first into the s

invalid sender creates havoc

2009-07-29 Thread Jared Johnson
We recently noticed a message in our postfix queue that thought it was addressed to " foo.com". After examining it, it turned out that Qpsmtpd accepted a MAIL FROM command formatted like so: MAIL FROM: When it passed it to postfix, it transmographied it first into the sender 'u...@domain.com