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directadmin:email:mencegah-email-spoofing

Mencegah Email Spoofing / Phising Directadmin

Jika anda mendapatkan email yang seolah dari email anda tapi ternyata tidak maka itu disebut email spoofing atau phising. Solusi yang bisa dimplementasikan adalah menggunakan spf, dkim, dmarc dan easy_spamfighter sekaligus mengaktifkan ini

nano /etc/exim.acl_check_message.pre.conf

Tambahkan

deny
 authenticated = *
 condition = ${if or {{ !eqi{${domain:$authenticated_id}} {$sender_address_domain} }\
                      { !eqi{${domain:{$authenticated_id}} {${domain:{${address:$header_From:}}} }\
                     }\
              }
 message = Your FROM address domain ( $sender_address_domain ) must match your domain name used in authenticated email user ( $authenticated_id ).

dan restart exim

service exim restart

Sumber : https://help.directadmin.com/item.php?id=2100

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directadmin/email/mencegah-email-spoofing.txt · Last modified: 2020/08/29 01:37 by kbadmin

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