cfmailtag making sure you set
asyc=false(see below). Not setting this flag to
falsemay result in undelivered email because mail may still exist in Lucee spooler (Lucee tasks) when your task runner exits.
TLS, like Amazon SES, one workaround is to install a local SMTP server and configure it as a relay to your SMTP server. This has been done successfully on Windows servers using hMailServer (free, opensource), which is fairly easy to install and configure as an SMTP relay.