nuevoMailer SB v.10.3 has just been released.

• PHP 8.4 ready (even without the IMAP extension which is no longer bundled with PHP).
• Stripo & Unlayer custom image managers so you can use your images from your own assets folder.
• Use MS Exchange (with MS Graph API) to send your email campaigns and process bounces.
• Mailtrap API for sending campaigns and webhook for processing feedback.
• Varying levels for admin email alerts. 
• Numerous processes and functions improved. Read all the details here.
• Check the new demo.