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Installing Vesta Panel on Cntos7

Step1) SSH to your server

Step2) Update / Upgrade it

yum -y upgrade

Step3) Install Vesta Panel with the following Commands

#Download installation script

curl -O http://vestacp.com/pub/vst-install.sh

#Run it

bash vst-install.sh


For Email setup

Copy all your DNS records from vestapanel to Cloudflare DNS Records


Errors Debugging

1)SMTP Error (550): Failed to set sender (Access denied – Invalid HELO name (See RFC2821 4.1.3)).

Reference – https://forum.vestacp.com/viewtopic.php?f=12&t=15345 , https://forum.vestacp.com/viewtopic.php?t=5408

what worked for me : Just restarting server couple times


SMTP setup and debugging

v-list-mail-domain-dkim admin droidfish.com
hostnamectl set-hostname droidfish.com

https://www.unlocktheinbox.com/mail-tester/

https://www.smtper.net/

https://mxtoolbox.com/dkim.aspx
https://www.mail-tester.com/spf-dkim-check
https://www.dmarcanalyzer.com/dkim/dkim-check/

https://www.mail-tester.com/

https://mxtoolbox.com/deliverability

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