Ability to send mail from other than local network

[bostonmacosx]

The problem is that I'm very new to postfix. I can send amil and receive mail fine from my local home network. Unfortunately when I fo to work I loose tha ability to use it as a sendmail server. I have a fixed hostname when I'm at work. How can I set the postfix daemon to allow me to use it when I'm at work. Thanks

alias_maps = hash:/etc/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
inet_interfaces = all
mail_owner = postfix
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
mydestination = $myhostname, localhost.$mydomain
mydomain = dyndns.org
mydomain_fallback = localhost
myhostname = bostonmacosx.dyndns.org
mynetworks = 192.168.0.0/23, 127.0.0.0/8
myorigin = $myhostname
newaliases_path = /usr/bin/newaliases
queue_directory = /private/var/spool/postfix
readme_directory = /usr/share/doc/postfix
sample_directory = /usr/share/doc/postfix/examples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
unknown_local_recipient_reject_code = 450

 

[rburke]

If you your machine at work has a static public IP address then you can add that address to the "mynetworks" variable and it should allow it. If you are behind NAT at work then you will need to find that NAT address and add it to the "mynetworks" variable.

Burke

 

[bostonmacosx]

We dont' have fixed IP addresses here however we do have fixed DNS names. Is there a way to do the mynetworks solution with DN names instead of IP addresses.

 

[bluegroper]

Be careful not to turn your postfix into an "open-relay".
If you do, your isp will prolly cut off your connection quite quickly. Its not tolerated.

 

[bostonmacosx]

Geeze thanks.
That was a great answer to my question

 

[bluegroper]

You're welcome.