[Mailman-Users] Migrating a list to a new email address
cczdao at unix.ccc.nottingham.ac.uk
Wed May 20 15:38:01 CEST 2015
On 15/05/15 05:32, Bill Christensen wrote:
> I have a long running list with thousands of subscribers that needs to
> move to a new set of email addresses.
> The existing list is announce-only, so doesn't get a whole lot of
> traffic - typically at most a few outgoing emails a year. But some time
> back a bot started sending spam registrations via hits to the web server
> in the form
> <domain name>
> /mailman/subscribe.cgi/bwbnewsletter?email=<bogus_registrant>@<somedomain.tld><mailto:ruanwei12 at hotmail.com>&fullname=&pw=123456789&pw-conf=123456789&language=en&digest=0&email-button=Subscribe.
> I long ago routed real users to an alternative signup, but the spam
> keeps coming, unrelenting, and are now anywhere between 1k and 10k per day.
One of our lists was spammed in a similar way. The approach I took was
to configure Apache to allow requests to /mailman/subscribe only when
the referring page was on our server:
SetEnvIf Referer lists\.my\.domain localreferer
Deny from all
Allow from env=localreferer
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