10 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Courier-MTA + Gre...| From | Sent On | Attachments |
|---|---|---|
| Vasiliy Kotikov | Mar 10, 2009 2:51 am | |
| Marcus Ilgner | Mar 10, 2009 4:36 am | |
| sergio | Mar 10, 2009 5:37 am | |
| Marcus Ilgner | Mar 10, 2009 6:36 am | |
| LuKreme | Mar 10, 2009 12:11 pm | |
| Alessandro Vesely | Mar 11, 2009 2:04 am | |
| Tim Lyth | Mar 11, 2009 4:12 am | |
| LuKreme | Mar 11, 2009 6:45 am | |
| cour...@thefreecat.org | Mar 11, 2009 7:12 am | |
| LuKreme | Mar 11, 2009 2:06 pm |
| Subject: | Re: [courier-users] Courier-MTA + Greylisting | |
|---|---|---|
| From: | Alessandro Vesely (ves...@tana.it) | |
| Date: | Mar 11, 2009 2:04:49 am | |
| List: | net.sourceforge.lists.courier-users | |
LuKreme wrote:
On my system, about 18-20% of the grey listed email eventually gets delivered. Of the 20% that gets delivered, about 50% of that is spamtagged by SpamAssassin. About 80-85% of the connections to the server are rejected outright (RBL, invalid hostname, etc), before greylisting has a chance at the message. If greylisting was in front of our RBL and header checks, it's percentages of ultimately rejected spam would be much higher.
May I ask about whitelisting? Submitters, usual contacts and/or known hosts can be whitelisted
* from greylisting, to gain in immediateness, and * from SA, to avoid false positives.
Do you do that, either systematically or case by case?
Thanks for sharing statistics.
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