January 19, 2020

SPF – The first MUST solution to try You need to create TXT record on your DNS.Change YOUR_HOSTING_IP with your website IP (hosting server):v=spf1 ip4:YOUR_HOSTING_IP include:spf.protection.outlook.com -all See here for more help: https://mxtoolbox.com/c/outboundemailsources?public=Office365 Cpanel Possible solutions: Login to CPanel > Tweak Settings > All> “Restrict outgoing SMTP to root, Exim, and mailman (FKA SMTP Tweak) and […]