telnet 127.0.0.1 25Trying 127.0.0.1...Connected to 127.0.0.1.Escape character is '^]'.220 mail.domain.tld ESMTP Postfixhelo mail.domain.tld250 mail.domain.tldmail from:<a@a.com>250 Okrcpt to:<root@domain.tld>250 Okdata354 End data with <CR><LF>.<CR><LF>To: you@domain.tldSubject: Test Email<enter>Cows go moo..250 Ok: queued as CC89074009quit221 ByeConnection closed by foreign host.
mynetworks = 127.0.0.0/8