[Mailman-Users] Distributed mass subscribe attack?
Barry S. Finkel
bsfinkel at att.net
Tue Aug 8 13:59:55 EDT 2017
On 8/8/2017 12:22 PM, David Gibbs wrote:
> Anyone else noticing a distributed mass subscribe attack going on their
> I've noticed a massive number of attempts a small subset of email
> addresses, with modifiers (address+modifier at example.com), going on.
> It appears the address is valid ... so it appears to be some kind of hit
> job to flood someone's inbox.
> Luckily the address's are trivial to block using 'ban_list'.
> The hosts they are using appear to be from all over the place, although
> they do seem to be favoring hosts serviced by virtua.com.br.
I would report this to mail-abuse at cert.br .
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