Using Mailrelay as a relay host for Postfix or Exim

You can easily configure Mailrelay's SMTP as a relay host for Postfix and Exim.

TABLE OF CONTENTS

• Configuring Postfix
• Configuring Exim

Configuring Postfix

1. Edit the file /etc/postfix/main.cf and add the following content:
   

   relayhost = [smtp1.s.ipzmarketing.com]:587
   smtp_sasl_auth_enable = yes
   smtp_sasl_password_maps = static:MAILRELAY_SMTP_USERNAME:MAILRELAY_SMTP_PASSWORD
   smtp_sasl_security_options = noanonymous

   Make sure that you have replaced MAILRELAY_SMTP_USERNAME and MAILRELAY_SMTP_PASSWORD with the credentials that you generated. 
2. Restart Postfix and the emails should now be sent using Mailrelay's SMTP server.

Configuring Exim

1. Edit your exim.conf, find the routes section and add the following content:
   

   # This must be placed in the routes section
   mailrelay:
           driver = manualroute
           domains = ! +local_domains
           transport = mailrelay_transport
           route_list = * smtp1.s.ipzmarketing.com byname

2. Edit /etc/exim/passwd.client and add your credentials:
   

   smtp1.s.ipzmarketing.com:MAILRELAY_SMTP_USERNAME:MAILRELAY_SMTP_PASSWORD

   Make sure that you have replaced MAILRELAY_SMTP_USERNAME and MAILRELAY_SMTP_PASSWORD with the credentials that you generated.

3. Restart Postfix and the emails should now be sent using Mailrelay's SMTP server.