alex at phred.org
Wed Oct 16 00:42:33 CEST 2002
On Tue, 15 Oct 2002, sean pambianco wrote:
> I'm using mailman 2.0.6. My list is configured so that only members
> can post to the list and all posts must be approved by the
> administrator. The other day an un-approved post was distributed to my
> list. The post was not held for approval and I know it went out to the
> list because it showed up in the archives.
> Has anyone ever had an unauthorized post go out to a their list without
> administrative approval? The email appeared to have come from the
> list-admin address. Do later versions of mailman patch this?
It is very easy to forge the From: line in email. If a spammer
forges the From: line to have a user which is on your list then it
will go through. This isn't really a problem that Mailman itself can
I've also had a few examples of a member joining, sending spam, and
leaving the list very quickly.
More information about the Mailman-Users