Python Script Check Mailbox, Swap body for subject, and forward to new address

Python 3 script that: 1. Retrieve unread email from mailbox via SSL IMAP 2. If email is from ADDRESS_A, the subject begins with "inReach", and the first line of the plain text body starts with "SPOT", continue steps below, otherwise, mark read. 3. Send a new email to ADDRESS_B. The first line of the body, which starts with SPOT will be the subject for the new email. The subject from the original email will be the body of the new email. 4. mark the email read.