The recommended approach is to create a relay connector that allows Jim2 to send outbound emails without requiring authentication via Gmail.
Requirement
A static IP address is necessary for this setup. If you are a Jim2Cloud customer, please contact support@happen.biz to request the static IP address of your Jim2Cloud server.
1.SPF Record
Your DNS SPF Record will need to be updated to avoid having messages flagged as spam. Add the static IP address (Public IP) of your Jim2 Server to your SPF record in your domain registrar's DNS setting as follows:
v=spf1 +ip4:Your Static IP include:include:_spf.google.com -all
For more info on SPF setup, please refer to: https://support.google.com/a/answer/178723?hl=en (copy and paste into a broswer).
2.Relay connector
▪Sign in to your Google Admin Console using an administrator account.
▪In the Admin Console, go to Menu > Apps > Google Workspace > Gmail > Routing.
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3.Scroll to SMTP relay service and click Configure.
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4.Enter the required settings:
▪Name: Enter a name for the configuration (eg. Jim2 Email Relay).
▪Allowed Senders:
–Select Only addresses in my domains.
▪Authentication:
–Tick Only accept mail from the specified IP addresses and add the static IP of your Jim2 server. (For Jim2 Cloud customers, you will need to be obtain your server IP address from support@happen.biz.)
▪Encryption:
–Tick Require TLS encryption.
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Once complete, update the default SMTP server to use Gmail via Tools > Options > Other > Email:
▪Default Server: smtp-relay.gmail.com
▪Leave Username and Password fields blank
▪Select Port 587
▪Use STARTTLS for SSL.
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