>> What types of legitimate messages use null sender? Is it only DSN type >> messages? Someone else (Marrco?) said that Return receipts & vacation >> messages(?) do this (I don't think a proper vacation autoresponder does >> - I'll have to look at one of ours)? What about things like meeting >> requests/confirmations/changes? I certainly wouldn't want to block >> those, or legitimate DSN messages.
>Outlook / outlook express read confirmation, some server generated messages >(ie. dsbl removal confirmation), and I don't know what else. I suppose also >meeting request via exchange, but I don't find the papers where I read about >it. I forgot one important : server callouts / address verification. You can hate them, but some MTA implement that feature ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Assp-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/assp-user
