This module provides functionality for sending e-mail.
The mailer is a component that wraps a mail-adapter? along
with a default value for the sender and common variables for some of
the template model properties.
Returns a function that creates a new mailer?
Returns #t when v is a mailer.
Returns the default sender e-mail address the mailer was created with.
The #:template-model hash is merged with the
#:common-variables the mailer was created with prior to
being passed to mail-adapter-send-email-with-template.
Mail adapters expose a consistent interface for values that
can send e-mail.
The #:template-id and #:template-alias arguments
to mail-adapter-send-email-with-template are mutually
17.2.1 Other Adapters
koyo-postmark provides a mail adapter
for interfacing with the Postmark API.