Hi,
I will configure server,will implement all mailing techniques like spf,dkim,ip rotation,reverse dns for good inbox delivery.
Email server security:-
SMTP authentication
Enable SURBL
Maintain local IP blacklists
Encrypt POP3 and IMAP authentication
SPF/DKIM installation
RDNS creation
Open Relay Disable
Exim mail server security tweaks
We will implement as below mailing techniques:-
1. Ip rotation -> Prevent blacklisting
2. DMARC enabled-> For mailing server security
3. Spf ,domain keys enabled-> Increase inbox delivery
4. Reverse dns enabled -> Increase inbox delivery
5. Open relay disabled -> For mailing server security
6. Feed Back Loop Registration Guide –-> Abuse management
Thank you