<p>PGPMailer is a secure-first Android email client with modern UI and OpenPGP support.</p><p>Key features:</p><ul><li>IMAP/SMTP account setup with diagnostics</li><li>Folder-based mailbox with search and filters</li><li>Compose plaintext, signed, or encrypted emails</li><li>Inline OpenPGP encryption/signing compatible with common OpenPGP tools</li><li>Key manager for generating, importing, trusting, and searching public keys</li><li>Secure decryption for encrypted messages and attachments</li><li>In-app secure PDF preview for decrypted attachments</li><li>PIN protection with optional biometric authentication</li><li>Encrypted local storage for sensitive app data</li></ul><p>PGPMailer is designed for users who want control over their email security while keeping a practical day-to-day workflow.</p>