Postfix can't send mail Ubuntu


I am having one heck of a time setting up basic email service with this server.

Currently using postfix.

Emails stay in queue forever, and if I force them I get

Forcing the attempted delivery of mail with the command postqueue -c /etc/postfix -f …

postqueue: warning: unable to look up public/qmgr: No such file or directory postqueue: fatal: Cannot flush mail queue - mail system is down

Turned off the ufw firewall for this testing so I know it’s not the firewall.


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I used this one :

Should I be using another? What I would like is to have php be able to send mail to customers and wordpress to be able to email out passwords and such.


@yorkdigitalsolutions - You have both sendmail and postfix installed and active. You need to disable sendmail for postfix to work.