Postfix Newbie


I’m having problems sending email from postfix to my local exchange server.

I’m able to send emails out from my postfix box to accounts like gmail and my local college however I cannot send emails locally.

Any help would be greatly appreciated,

Thank you,

Found the solution here:

I wanted a Satellite setup; which I obviously did not pick.

To reconfigure the postfix setup type the following in the command line:

dpkg-reconfigure postfix

Then select “Satellite”

Go through the prompts. If you still have issues I used this as a reference

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no
append_dot_mydomain = no
readme_directory = no
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
myhostname =
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination =,, localhost
relayhost =
mynetworks = ::ffff:]/104 ::1]/128
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all