I try to make an custom email with a domain name and postfix on my own server. I looked some tutorials but i don’t understand how it works. I know how to point a domain or subdomain to a server but i don’t understand the logic of DNS mail config. So how to configure correctly the DNS Domain with MX, IMAP, POP3 etc… What must to link to the IP address ? I already installed the webmail rainloop with subdomain on it.
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