Set Up Email Routing in xorlab

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Configure as Inline add-on

• Deliver incoming emails to <inbound-next-hop> (usually an Exchange server)
• Deliver outgoing emails to <outbound-next-hop> (the Gateway)

1. Go to activeguard/mta/startup_cfg/postfix_custom/ in the Expert Editor.
2. Open main.cf and enable transport_maps:
   main.cf

   transport_maps = lmdb:/etc/postfix/transport
   
3. Open transport. Create it if it does not exist. Add a line for every guarded domain with <inbound-next-hop> and one line for all outgoing emails with <outbound-next-hop:
   transport

   # Inbound emails
   xorlab.com  smtp:<inbound-next-hop>
   xorlab.net  smtp:<inbound-next-hop>
   # Outbound emails
   *           smtp:<outbound-next-hop>
   
   Subdomains

   By default, subdomains need to be added separately. Please see Subdomain matching to change the default.
   Fallback

   You can specify fallbacks if the first destination is not reachable: smtp:[1.2.3.4],[2.2.2.2].
4. Open client_access and add the IP of every email server that will send emails to xorlab:
   client_access

   # Permit this IP to send emails to xorlab
   <ip-address1>   permit
   <ip-address2>   permit
   
   # You can also permit domains. The domain name is determined by means of a reverse DNS lookup and automatically extends to subdomains. 
   example.com   permit
   
5. Click Publish. The inline add-on configuration becomes active within about one minute.

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Configure as Inline gateway

• Deliver incoming emails to <inbound-next-hop> (usually an Exchange server)
• Deliver outgoing emails directly to the external recipient

1. Go to activeguard/mta/startup_cfg/postfix_custom/ in the Expert Editor.
2. Open main.cf and enable transport_maps:
   main.cf

   transport_maps = lmdb:/etc/postfix/transport
   
3. In main.cf, add all guarded domains as relay_domains:
   main.cf

   # Only add domains to the relay_domains, this will automatically include subdomains as well
   # xorlab will accept emails to these domains from every IP
   relay_domains = xorlab.com, xorlab.net
   
4. Open transport. Create it if it does not exist. Add a line for every guarded domain with <inbound-next-hop>:
   transport

   # Inbound emails
   xorlab.com  smtp:<inbound-next-hop>
   xorlab.net  smtp:<inbound-next-hop>
   
   Subdomains

   By default, subdomains need to be added separately. Please see Subdomain matching to change the default.
   Fallback

   You can specify fallbacks if the first destination is not reachable: smtp:[1.2.3.4],[2.2.2.2].
5. Open client_access and add the IP of every email server that will send emails to xorlab:
   client_access

   # Permit this IP to send emails to xorlab
   <ip-address1>   permit
   <ip-address2>   permit
   
   # You can also permit domains. The domain name is determined by means of a reverse DNS lookup and automatically extends to subdomains. 
   example.com   permit
   
6. Click Publish. The inline gateway configuration becomes active within about one minute.

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Configure for Monitoring

1. Go to activeguard/mta/startup_cfg/postfix_custom/ in the Expert Editor.
2. Specify the relay destination in the main.cf file:
   main.cf

   ## Route all emails to this host
   relayhost = relay.host.com
   
3. Open client_access and add the IP of every email server that will send emails to xorlab:
   client_access

   # Permit this IP to send emails to xorlab
   <ip-address1>   permit
   <ip-address2>   permit
   
   # You can also permit domains. The domain name is determined by means of a reverse DNS lookup and automatically extends to subdomains. 
   example.com   permit
   
4. Click Publish. The monitoring configuration becomes active within about one minute.

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Next steps

• Monitoring: Cisco ESA or Exchange
• Inline: Exchange