On 8/8/2017 12:22 PM, David Gibbs wrote:
Folks:
Anyone else noticing a distributed mass subscribe attack going on their
lists?
I've noticed a massive number of attempts a small subset of email
addresses, with modifiers (address+modif...@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.
david
I would report this to mail-ab...@cert.br .
--Barry Finkel
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