On 20 Dec 2006 14:01:47 -0800, "Matt" <matthew.humphreys@gmail.com>
wrote:
I'm no expert, but have been following this thread with interest.
I've just re-read from the start...

[snip]
> ----- Transcript of session follows -----
>... while talking to xxxxxxx.com.:
>>>> MAIL From:<asterisk@> SIZE=817
><<< 501 5.1.7 Syntax error in mailbox address "asterisk@?"
>(non-printable character)
>501 5.6.0 Data format error

I've just spotted what looks like the culprit - it's displaying in
Agent as what looks like an emboldened pipe character after the
MAIL From:<asterisk@

Did you maybe edit your conf files on a Windows machine and upload
them to the linux box?
Or could a control character somehow have got into one of the conf
files (finger problem whilst using a Linux editor)?
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