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- Tue May 22, 2018 7:20 am
- Forum: Administrators
- Topic: Blocking spoofed address
- Replies: 1
- Views: 1334
Blocking spoofed address
How can i block email that are coming from fake emailer like emkei.cz to my domain. By using emkei.cz we can send email from abc@example.com to def@example.com without any authentication and this seems risk in upcoming days can. How can I prevent this in zimbra 8.6 opensource edition ???