I would get a bounce email everytime when sending mail to hotmail, live due to ISP on blacklist, also possibly plesk.page causing it.
So I did this >
In /etc/postfix/main.cf put something like this:
smtp_header_checks = regexp:/etc/postfix/header_checks
with /etc/postfix/header_checks having...
hi,
i've setup a mail server, but having issues with outgoing mails.
I noticed plesk adds local device name and public IP used for sending email. (see screenshot, 1st hop. Officedonpc is my pc name and next to it is my ISP public ip hidden)
The problem is, loads of these ISP public ips are...