-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Sam Varshavchik wrote: > Alexander Lazic writes: > >> Hi, >> >> On Mit 05.04.2006 03:02, Sander Holthaus wrote: >>> >>> Josh Grebe wrote: >>>> Hello, >>>> >>>> I have been comtemplating writing a pre-DATA hook into >>>> courier to allow for more efficient greylisting. I guess it >>>> would actually hook into the RCPT TO: handler. The biggest >>>> problem with the current method (in my opinion) is that it >>>> runs so late in the process, after having already recieved >>>> the message. It also uses hashes of the entire message, which >>>> seems to me to be a level of paranoia that will cause more >>>> problems than solve. >>> >>> That is an interesting idea. A pre-DATA filter would indeed >>> allow much more efficient greylisting as well as doing >>> call-backs before acceptence. As for the md-5 hashes, I'm not >>> sure about those. They can cause some extra problems, but you >>> could solve those by using a fuzzy signature such as Nilsimsa. >>> You can also just hash the message-body, which should always >>> stay the same (?). >> >> How about to add -greylist to couriertcpd such as -block. >> >> My opinion is that this is the right point, isn't it? > > No. couriertcpd's job is to only accept network connections. > couriertcpd is protocol-independent, and has no idea if the > connection will be an SMTP, IMAP, or a POP3 connection. > Sam,
what is your opinion on greylisting? Any specific reason why it is not included in Courier? Kind Regards, Sander Holthaus -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (MingW32) iD8DBQFEM6S4Vf373DysOTURAlPNAJ48OAJRASBF37aCNZgQwUNnSRrCXgCg1A// yMzgKahe86v+dh/idt5XYFw= =AaDl -----END PGP SIGNATURE----- ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ courier-users mailing list [email protected] Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-users
