MAIL SERVER

IT
: DOMAIN NAME

www.networksolutions.com
www.webhost4life.com
www.godady.com

search .net or .com or . biz or .org
Mycompany.com
CPANEL

: DNS

DNS Records DNS

1- A Record
2- MX Record
3- Cname
4- Spf Record
5- PTR record

records


Mycompany .com
1- A record
A Record
A Record 24 isp IPs
IP 214.55.2.66
A Record IP
A Record mail.mycompany.com 214.55.2.66 ip MAIL
ISP


2- MX Record
( ) DNS DNS
MX Record Mycompany.com 214.55.2.66 10

priority 10 MX Record


YOUTUBE


3- CName
www www.mycompany.com
CNAME
Cname RECORD WWW.mycompany.com in cname mycompany.com
YOUTUBE


4- SPF Record
Sender Policy Framework
records Spam open relay smtp server spamer
Black list
record authentication IP
mycompany.com IP

214.55.2.66
spamer IP
Ip SPF Record Spamer IP
SPf record IP spamer black lists


http://www.openspf.org/
http://www.microsoft.com/mscorp/safe...nderid/wizard/



5- PTR Record
revers Dns
MX , A Record
IP IP

RECORDS

DNS
dpetri.net
Record FQDN Record Type Record Value MX Pref
mail.dpetri.net A 192.90.1.17
mail.isp.com A 212.143.25.1
dpetri.net MX mail.dpetri.net 10
dpetri.net MX mail.isp.com 100