Newsletters 4.7.4 Release Notes

Release notes for version 4.7.4 of the WordPress Newsletter plugin.


  • Further compatibility for Amazon AWS SES Signature Version 4.
  • Some PHP 8 compatibility.


  • Mailgun init.
  • Mailgun errors.
  • SendGrid mail send.
  • SparkPost mail send.
  • PHP errors.
  • Other fixes.

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