- August 29, 2023 - Advanced Filtering with Sieve Expressions
- August 3, 2023 - Introducing Encryption at Rest: Protecting Your Emails Even When They Sleep
- July 28, 2023 - Unleashing Email Flexibility: Address Rewriting is now available
- July 22, 2023 - Introducing Milter Support to Stalwart SMTP
- July 17, 2023 - Announcing Stalwart Mail Server: unified, efficient, and more powerful than ever!
- March 3, 2023 - Stalwart Mail Server is awarded a grant from NLnet NGI0 Entrust Fund
- March 2, 2023 - Announcing Stalwart SMTP with DMARC, DANE, MTA-STS support