How do you people handle spam from Google lists etc?

Mark Sapiro mark at msapiro.net
Fri Apr 12 15:14:19 UTC 2019


On 4/12/19 7:57 AM, George Papamichelakis wrote:
> it's google groups sure but the users never subscribed to them ...


If the spam is actually being sent from the Google group, Google should
deal with it.

On the other hand, if it's just mail that cleverly spoofs the google
group as the sender, the originator's IP address should be somewhere in
the Received: headers, and it should be possible to detect the
difference between these and real Google groups email in a SpamAssassin
rule.

Or, if as you say elsewhere they all have a header like

> List-Unsubscribe: <mailto:googlegroups-manage+30218623922+unsubscribe at googlegroups.com>,
> <https://groups.google.com/group/azovwave2/subscribe>

You should be able to get that with a spamassassin rule like

header RULE_NAME List-Unsubscribe =~ /subscribe>$/

-- 
Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan


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