Name of the email provider. Can be mailgun, mandrill, sendgrid, resend, ses, sparkpost, smtp, azure_cs, ms365, or custom.
mailgun
mandrill
sendgrid
resend
ses
sparkpost
smtp
azure_cs
ms365
custom
Name of the email provider. Can be
mailgun,mandrill,sendgrid,resend,ses,sparkpost,smtp,azure_cs,ms365, orcustom.