routing_strategy 0 (RoundRobinStrategy)
In RoundRobinStrategy all your emails are fairly shared between all your IPs and TPSPs The payload for routingMetaData for RoundRobinStrategy is:
For example, if you have IP 3.238.19.86 and TPSPs Sendgrid and Mailgun and send 6 emails then 2 emails will be sent from 3.238.19.86, Mailgun and Sengrid.
routing_strategy 1 (EmailProviderStrategy)
In the EmailProviderStrategy we can assign IPs and TPSPs to the specific email provider. Existing email provider types:
JsonPayload example:
routing_strategy 2 (VolumePercentageStrategy)
In the VolumePercentageStrategy we can assign volumes to the specific IPs and TPSPs.
JsonPayload example:
routing_strategy 3 (SendingDomainStrategy)
In the SendingDomainStrategy we can assign IPs and TPSPs to the specific domains that we are sending from.
JsonPayload example: