unknown non authenticate mail sender

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sunil_ghimire
Posts: 13
Joined: Thu Aug 02, 2018 12:45 pm

unknown non authenticate mail sender

Post by sunil_ghimire »

If user password compromised differnet domian sends mails to ramdom users? how to solve it
rishi
Posts: 5
Joined: Mon Aug 27, 2018 11:34 am

Re: unknown non authenticate mail sender

Post by rishi »

I am also facing similar problem. can anyone help please.
zimbra version 8.0.7 FOSS edition
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pup_seba
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Re: unknown non authenticate mail sender

Post by pup_seba »

Change the password for the user.

After doing that, enable COS policies to block accounts based on failed login attempts.
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gabrieles
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Re: unknown non authenticate mail sender

Post by gabrieles »

And restart MTAs, to kill active sessions, or previously authenticated users can continue to send even after a password change.
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