Setting Up Mail:
Mail file: /etc/mail/sendmail.mc
Near bottom:
MASQUERADE_AS(‘domain.com’)dnl
FEATURE(masquerade_envelope)dnl
FEATURE(masquerade_entire_domain)dnl
Add:
define(‘confDOMAIN_NAME’,’smtp.domain.com’)dnl
Save – CTRL-Shift-X
Make Mail: /etc/mail/make
Restart Mail: service sendmail restart
Allowing Other Computers To Send EMail
Comment out line: DAEMON_OPTIONS(‘Port=smtp,Addr=127.0.0.1,Name=MTA’)dnl by adding dnl# at the start of this line
Add the server’s internal IP address with RELAY at the end in this file: /etc/mail/access
External Connection:
SMTP HOST: server’s IP address (this IP address must be in the “access” file above
SMTP PORT: 25
No secure or SMTP Authentication