陈俊平 wrote:
Hello Team,
Is there any one from Facebook or got their contacts? The domain
facebookmail.com is making a lot of SMTP connections to my MX servers
and doing "SMTP RCPT TO" to many sorted and invalid accounts, whose
requests are so many that it results in a DDOS-like attack.
I appreciate a lot for any info you provide, thank you very much :)
I've been toying with automating a script to 'recover the account' and
then 'permanently delete it' because they keep ignoring the '5.1.1 User
Unknown' responses.
Michelle
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