Enter the domain you would like to use inside your email content for link tracking. It can be either a subdomain (ex: track.my-domain.com) or a root domain (ex: track-my-link.com)
Enter the domain you would like to use inside your email content for open tracking pixel domain. Usually, this is same with your link tracking domain.
Enter the domain name you would like to set as MFROM domain (return-path email address domain). Make sure that DNS records of this MFROM domain are setup properly for email policy compliance (SPF, DKIM, DMARC, etc.). If you enter an email address here instead of a domain, the MFROM email address will be set to this email address. Some SMTP service providers such as Amazon SES require you to set a specific MFROM email address.
Enforced From Email Address
If you set an email address for this setting, it will be enforced in all outgoing email campaigns and autoresopnders. The “From” email header will be set to this email address.