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    SMTP Error (451): Failed to add recipient in Vestacp “email@example.com” (Temporary local problem – please try later)

    GarvinBy No Comments1 Min Read

    This Problem come after update exim on CentOS 7.

    Solution: Simply Downgrade Exim Updated version to compatible version.

    Download Exim 4.93

    $ wget https://git.io/JJjHP -O exim-4.93-3.el7.x86_64.rpm

    Then Install exim old version

    $ rpm -Uvh –oldpackage exim-4.93-3.el7.x86_64.rpm

    After Installing exim Restart Exim

    $ systemctl restart exim

    That’s it

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    Garvin is a digital marketing expert with over a decade of experience helping brands grow online. Specializing in SEO, content marketing, and social media, John has a proven track record of driving traffic and increasing engagement. He holds degrees in Marketing and Digital Marketing and frequently contributes to top industry publications. In his spare time, John enjoys exploring new marketing technologies and mentoring aspiring marketers.

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