problem with SMTP relay

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rout3rx_blackhat
Posts: 10
Joined: Thu May 26, 2016 5:02 am

problem with SMTP relay

Postby rout3rx_blackhat » Thu May 26, 2016 5:10 am

hello
there is a problem with sending nonexistence users via my SMTP in zimbra
Image
every user with every domain can send email..
how can i fix this?
thanks


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