Requirements yum -y install db4 db4-devel Create user groupadd postfix -g 1000 useradd postfix -u 1000 … install postfix from source codeRead more
Postfix
How to stop SPAM with Postfix RBL
To stop spam using RBL in postfix, edit main.cf vi /etc/postfix/main.cf Add smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, … How to stop SPAM with Postfix RBLRead more
postfix smtp Must issue a STARTTLS command first
When sending an email to a server, mail bounced with the following error message. Action: failed … postfix smtp Must issue a STARTTLS command firstRead more