Connect Smartlead to the correct sending.ac account and follow the mailbox settings.
Connect Instantly to the correct sending.ac account and follow the mailbox settings.
Connect EmailBison to the correct sending.ac account and follow the mailbox settings.
Connect Plusvibe to the correct sending.ac account and follow the mailbox settings.
Review IMAP/SMTP compatibility and the warm-up and monitoring trade-offs.
Review the connection interfaces needed before planning a customer integration.