Exchange Online SMTP Annonymous Relay
Posted on 2025-09-23 11:51
Add Firewallrule: ip saddr YOURIP/32 tcp dport 25 accept Install: dnf install -y postfix echo " myhostname = smtp.suter.dev mydomain = noreply.suter.dev mynetworks = 127.0.0.0/8 YOURIPHERE myorigin = \$myhostname relayhost = [YOURSERVER.mail.protection.outlook.com] disable_dns_lookups = yes...