On Fri, 26 Sep 2003 11:19 -0400, John Heffernan wrote to Majordomo-Users:
> Are their some general guidelines for preventing spammers from getting our
> list addresses?
> [much deleted]
> I believe there is no easy way to say only list people can post to each
> list, is that correct?
restrict_post = hec-21c-acad-list
That will cause messages from non-subscribers to be bounced to
owner-hec-21c-acad-list for approval.
> Is there anything else I should be doing?
Add a line like the following to your Sendmail virtusertable for each
email@example.com error:nouser User unknown
That will prevent spammers from bypassing resend by posting directly to
the hec-21c-acad-list alias.
Chip Old (Francis E. Old) E-Mail: firstname.lastname@example.org
Manager, BCPL Network Services Phone: 410-887-6180
Manager, BCPL.NET Internet Services FAX: 410-887-2091
320 York Road
Towson, MD 21204 USA