Mailmaker by Mailscribe

Mailmaker by Mailscribe provides a suite of free, ad-free email marketing tools aimed at marketers who want to improve their campaign planning, writing, and deliverability. Tools such as an Email Verifier, SMTP Tester, and Subject Line Generator are offered with no account required, allowing users to quickly check emails, test SMTP connections, and generate subject line ideas. The platform is designed for speed and privacy, with no storage of user data and no usage of ads.