Don't restrict relay mail
^^ Enabling this will make your server "open relay" and should only be used in closed networks.


In general, don't restrict relay mail except as indicated below:
^^ Enabling this will make your server "open relay" to most servers and should only be used in closed networks.

Restrict relay from these IP addresses:

and/or

Restrict relay from these domains:

(based on envelope Mail From: Address)

Allow relay from these IP addresses:
^^ By enabling this, you can specify the IP address ranges that will be allowed to relay. You should enter in your main network IP ranges below.


192.83.246.0

and/or

Local Mail Domains
^^ Enabling this will make your server "open relay" because this data can be easily forged by relayers.

and/or

Additional domains:
^^ Enabling this will make your server "open relay" because this data can be easily forged by relayers.


(based on envelope Mail From: Address)

If relay mail is restricted as specified above, use the following delivery options:

Allow delivery to:

No domain except those listed below:
^^ Enabling this item is OK, and will make sure mail sent to your domain does not get restricted. (Default)

Local Mail Domains
^^ Enabling this item is OK, and will make sure mail sent to your domain does not get restricted. (Default)

and/or

Additional Domains:
^^ Enabling this item is OK, but should only be used when your Post.Office server is a secondary mail server.

lists.tenon.com

mail.tenon.com

tenon.com