Ndr spam

[rcalmeida73]

Hi there,

my Zimbra server received thousant of NDR from valid users that I dont send, someone from "west union group" use alot of name that exist in my organization to spam.

How can I block this kind of NDR?

Thanks in advanced

Zimbra version: Release 6.0.10_GA_2692.UBUNTU8 UBUNTU8 NETWORK edition.

[phoenix]

You need to give details of which Zimbra version you're using, what's the output of the following command:

zmcontrol -v

Originally Posted by rcalmeida73

my Zimbra server received thousant of NDR from valid users that I dont send, someone from "west union group" use alot of name that exist in my organization to spam.

Have you tried some of the techniques ifrom the wiki article on improving the anti-spam system? Have you also searched the forums and tried some of the techniques mentioned in the threads you'll find? Have you tried some of the techniques you'll find by doing an internet search? +"ndr spam" +postfix - Yahoo! Search Results