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The Saturday 2007-03-03 at 12:23 +0100, Sandy Drobic wrote:
Aside from spam it is one of the reasons why I reject all mail to the list
address that does not origin from the listserver.
Lucky you! :-)
His backscatter can be
rejected by checking the helo: dothangizmo.gk.lan
Not those of us using fetchmail:
Mar 3 03:07:44 nimrodel fetchmail[18653]: SMTP> MAIL FROM:<> SIZE=7317
I use header-checks, it works:
Mar 3 03:07:44 nimrodel postfix/cleanup[14749]: 7C263B6EC7: reject:
header From: MAILER-DAEMON@dothangizmo.gk.lan (Mail Delivery System) from
localhost[127.0.0.1]; from=<> to= proto=ESMTP
helo=: 5.7.1 20070303 stupid bouncer!
And using imap, the fetching is cancelled:
Mar 3 03:07:44 nimrodel fetchmail[18653]: (6395 body octets) (log message incomplete)
Mar 3 03:07:44 nimrodel fetchmail[18653]: IMAP< )
Mar 3 03:07:44 nimrodel fetchmail[18653]: IMAP< A0008 OK FETCH complete
Mar 3 03:07:44 nimrodel fetchmail[18653]: SMTP>. (EOM)
Mar 3 03:07:44 nimrodel fetchmail[18653]: SMTP< 550 5.7.1 20070303 stupid bouncer!
Mar 3 03:07:44 nimrodel fetchmail[18653]: SMTP error: 550 5.7.1 20070303 stupid bouncer!
Mar 3 03:07:44 nimrodel fetchmail[18653]: SMTP listener refused delivery
Mar 3 03:07:44 nimrodel fetchmail[18653]: SMTP> RSET
Mar 3 03:07:44 nimrodel fetchmail[18653]: SMTP< 250 2.0.0 Ok
Mar 3 03:07:44 nimrodel fetchmail[18653]: flushed
It is slow, though.
- --
Cheers,
Carlos E. R.
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