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Issue Mailing fail

nahasco

New Pleskian
I use cloudflare as my dns and I added all the fields that plesk has listed. I could receive emails with webmail roundcube but not send any, they just wont arrive. I tried adding a third party client like gmail and I got authentication error. Its just not working. I use free Vultr by the way
 
You would need to show us what DNS settings you have configured on the domains NS. Also check mail log at /var/log/maillog
 
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