This script is designed to work with the Exim Perl interpreter.
On demand, this script will poll a domain for MTA-STS info and put the info into an LMDB database. Then, respond to EXIM with required info for processing the outgoing email.
On demand, this script will check if MTA-STS data is in a LMDB database. If it is not then it will poll a domain for MTA-STS info and put the info into the database. Then, respond to EXIM with required info for processing the outgoing email.