1.0.0 — Initial public release. Send WordPress emails via JMAP instead of PHP mail or SMTP.

What's Included

• JMAP session discovery via .well-known/jmap with redirect and reverse-proxy support
• Automatic sender identity and Sent mailbox resolution
• Email creation (Email/set) and submission (EmailSubmission/set)
• HTML and plain-text messages, CC, BCC, Reply-To, and file attachments
• Admin settings page with connection diagnostics and test email tools
• Test email works independently of the "Route all WordPress emails through JMAP" toggle
• Built-in mail log (last 100 attempts, metadata only)

Requirements

• WordPress 5.8+ / PHP 7.4+
• A JMAP server supporting core, mail, and submission capabilities
• A sending identity and a mailbox with the sent role

Install

Upload bulwark-jmap-mail-1.0.0.zip via Plugins → Add New → Upload Plugin, then activate.