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Posts Tagged IMAP

IMAP and POP3 authentication DOS attack

August 5, 2013

If you have IMAP and POP3 authentication constantly fails and having problems with your mail clients. Large IMAP and POP3 authentication request, It may be DOS attack. Check your cPHulk Brute Force Protection, Look under “Login/Brute History Report” if cPHulk is enabled and see if any of your email accounts have been locked out for […]

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