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To enable server administrators to set up emails using a fixed domain and emails where the domain has been overridden from different IPs (to prevent the fixed domain from being blacklisted due to spoofing), emails will be sent as different task types depending on which sender address is used. Server administrators may distribute these tasks to different servers (different IP addresses). When the fixed domain email address is overridden, the ordinary batch email task type will be used.
The "Fixed Sender Domain" add-on provides a third level for respondent emailing. Each level has a designated task type. These task types are used to direct the different types of emailing to different servers, so that emails where the fixed sender domain is replaced (spoofing) are sent from different IPs than "fixed sender domain" emails.
The three task types are as follows:
- Batch Emailing is the task type used for such tasks. It is used if the "Fixed Sender Domain" or "Dedicated IP" add-ons are not set and activated, or if those are activated but the sender domain is overridden (spoofing).
- Batch emailing - Fixed Domain is the task type used for clients with the "Fixed Sender Domain" add-on set and activated, as long as the fixed domain is not overridden.
- Batch emailing - Dedicated IP address is the task type for emails sent from customers who have the "Dedicated IP address" add-on set and activated and the fixed domain overridden.
The Business rules for the task types are as follows:
- If the "fixed sender domain" or Dedicated IP add-ons are not set, the Initiating task will be always be Batch Emailing. Emails are sent from the batch server running the task, not the SMTP server specified as the Dedicated IP (if one is specified).
- If the "fixed sender domain" add-on is set and activated, and the email sender domain matches one that is set either in the company settings or in the site-wide settings, then the Initiating task will be Batch Emailing - Fixed Domain.
- If the "fixed sender domain" add-on is set and activated, and the email sender domain does not match one that is set either in the company settings or in the site-wide settings, then the Initiating task will be Batch Emailing.
- If the "dedicated IP" add-on is set and activated for the company, and the email sender domain matches one that is set in the company settings, the Initiating task will be Batch Emailing - Dedicated IP address. Emails are sent from the SMTP server specified as the Dedicated IP.
- If the "dedicated IP" add-on is set and activated for the company, and the email sender domain matches one that is set in the site-wide settings, the Initiating task will be Batch Emailing - Fixed Domain.
- If the "dedicated IP" add-on is set and activated for the company, and the email sender domain does not match one that is set either in the company settings or in the site-wide settings, the Initiating task will be Batch Emailing.