Create sender plugins for various mail-sending services

[jwodder]

• Amazon

  • References:
    • https://aws.amazon.com/ses/
    • https://docs.aws.amazon.com/ses/latest/APIReference/API_SendRawEmail.html
    • https://docs.aws.amazon.com/ses/latest/DeveloperGuide/send-email-raw.html#send-email-mime-encoding
    • https://docs.aws.amazon.com/ses/latest/DeveloperGuide/using-configuration-sets.html
    • https://boto3.amazonaws.com/v1/documentation/api/latest/guide/credentials.html
    • https://boto3.amazonaws.com/v1/documentation/api/latest/guide/session.html#session-configurations
    • See the paragraph on setting credentials when creating a session (and
      also the bit on a --profile argument) in
      https://ben11kehoe.medium.com/boto3-sessions-and-why-you-should-use-them-9b094eb5ca8e
  • Configuration arguments:

    • Credentials:

      • region
      • shared credentials file and/or config file
      • profile
      • access key, secret access key, and session token???

      Alternatively, take no credentials (except profile?) and expect the
      user to configure them the regular boto3 way themselves?

    • SES-specific:

      • configuration set
      • tags

• Gmail

  • References:
    • https://developers.google.com/gmail/api/guides/sending
    • https://cloud.google.com/docs/authentication/production
    • https://developers.google.com/gmail/api/quickstart/python
    • https://github.com/googleapis/google-api-python-client/
    • https://github.com/googleapis/google-api-python-client/blob/master/docs/start.md
    • https://github.com/googleapis/google-api-python-client/blob/master/docs/oauth-installed.md
    • How other libraries handle Google API credentials:
      • https://gspread.readthedocs.io/en/latest/oauth2.html
      • https://www.analyticsvidhya.com/blog/2020/07/read-and-update-google-spreadsheets-with-python/

• Google App Engine?

• IMAP?

  • cf. rss2email's support for sending via IMAP
  • Use pytest-docker plus the dovecot/dovecot Docker image for testing
  • cf. https://pypi.org/project/imap-tools/?
  • cf. https://github.com/martinrusev/imbox?

• Sendgrid

  • Use the official sendgrid library?
  • https://sendgrid.com/docs/api-reference/

• Mailchimp Transactional

  • https://mailchimp.com/developer/transactional/api/

• Postmark

  • https://postmarkapp.com/developer

• MailSlurp?

  • https://www.mailslurp.com
  • https://www.mailslurp.com/docs/python
  • https://pypi.org/project/mailslurp-client/