Hi Robin, please have a look at our db/suite, especially the module db/user http://dienstleistung-kultur.de/qpsmtpd/db_user.shtml
A description of our mail system and statistics you'll find on http://dienstleistung-kultur.de/spamstat.shtml Maybe you get some inspiration from our solution. Sincerely, Ernesto Am 29.06.2010 04:13 schrieb Robin H. Johnson: > I'm mucking with an idea, and hoping the denizens here might have some > input, esp. about potential breakage introduced. > > Summary: > For any given valid recipient, compare the sender whitelist of exact > matches and regexes. If the sender is NOT present, issue a permanant > deny (5xx). > > Details: > For the Gentoo mailing lists, we're seeing a lot non-subscriber traffic > that just presently gets dumped to /dev/null (no list bounce saying > you're not subscribed), and I would like to outright prevent that > traffic. At the same time, this would enable legitimate users that just > didn't have their subscription correct to get an error message (from > their outbound mailserver). > > I'm wondering what breakage this idea is going to cause, esp. if there > are some mailservers out there that might cache failures. > -- ______________________________________________________________________ Dienstleistung Kultur Ltd. & Co. KG Lützenstr. 10, 10711 Berlin Telephon +49-(0)30 - 89 09 56 59 Prokurist Ernst-J. Johnsdorf Faksimile +49-(0)30 - 89 09 56 60 HRA 41207 Berlin-Charlottenburg http://dienstleistung-kultur.de USt-IdNr. DE 261 999 858 mailto:m...@dienstleistung-kultur.de ______________________________________________________________________ Dienstleistung Kultur Ltd. 27, Gloucester Street, London WC1N 3AX Companies House, Cardiff, No. 6512436 Director Ute-I. Pehlke ______________________________________________________________________
