Hello, I just recently set up a mail server using Ubuntu Server 12.04.
I use fetchmail and sendmail and Mutt to deal with emails and I pull my email from Riseup's mail servers.
I receive emails just fine.
My problem lies with sending emails.
No matter what MSP I send to, I get blocked by their spam filters and the mail gets returned to me with a description that it was labeled as spam.
I'm thinking it's the domain name of my server but I'm not sure.
Does anyone have any ideas?