I’m building a macOS app with a MailKit extension. The containing app needs to show whether the Mail extension is enabled and actually being invoked. Currently the extension writes a “last seen” timestamp to app group defaults when Mail invokes it. The containing app reads that timestamp and shows a waiting/active state. During App Review, this behaviour was challenged: enabling the MailKit extension in Mail Settings does not immediately change the state reported in the containing app. The extension is only invoked when Mail receives or reloads messages, so the main app cannot confirm it is active at the moment the user enables it. The review challenge is that App Review may enable the extension, open Mail, select existing messages, and still see the containing app stuck in a waiting state. From what I can tell, selecting old messages does not reliably cause Mail to invoke the extension. I looked for a direct API like: let isEnabled = try await MEExtensionManager.shared().isEnabled But I do not see any public MailKit API that reports whether the extension is enabled in Mail Settings. MEExtensionManager seems limited to reload-style APIs such as reloadVisibleMessages. Questions: Is there a supported way to check whether a MailKit extension is enabled? Is “first extension invocation” the expected confirmation signal? Can reloadVisibleMessages be relied on during review, or can Mail skip/throttle old messages? Is the right App Review instruction: enable the extension, quit/reopen Mail if needed, then send a new test email? If possible, I want the app to report that the extension has been enabled as soon as the user turns it on in Mail Settings, even if Mail has not invoked the extension yet, but I do not see a public API that exposes that enabled state.

Hello Everyone I'm encountering a problem with the Apple Mail Private. I created a website with the possibility to log in with apple account and apple gives the possibility to privatize the mail address with xxxxx@privaterelay. appleid.com but also blocked the mail come from my server. In the log I get the error: relay=smtp3.privaterelay. appleid.com[17.56.9.14]:25, delay=2.4, delays=0.11/0/1.8/0.48, dsn=5.1.1, status=bounced (host smtp3.privaterelay. appleid.com[17.56.9.14] said: 550 5.1.1 mymail@mail. com: unauthorized sender (in reply to RCPT TO command)) How can I fix it ?

I'm implementing a MEMessageActionHandler Mail extension on macOS 26.4.1 (Xcode 26.4). The extension is discovered by Mail and appears in Mail > Settings > Extensions, but Mail shows only an "Uninstall" button — no enable toggle. The MailKit consent dialog asking permission to process messages in the background has never appeared. Console logs show optedIn: NO / userEnabled: Not Enabled. Extension Info.plist (key parts): NSExtensionPointIdentifier com.apple.email.extension NSExtensionPrincipalClass CheckThisMailExtension.MailExtension MEExtensionCapabilities MEMessageActionHandler Principal class: class MailExtension: NSObject, MEExtension { func handlerForMessageActions() -> any MEMessageActionHandler { return MessageActionHandler() } } Entitlements: app-sandbox: true, application-groups: [group.com.xxx]. App is Developer ID signed and notarized. Has anyone successfully gotten the consent dialog to appear for MEMessageActionHandler on macOS 15/26? Is there something beyond the standard template configuration that enables it? Any entitlement that needs to be provisioned separately?

I'm working on a MailKit extension and I'm getting a full Mail crash every time I click the Primary Action button in my message banner. I have filed a feedback: FB22513160 Apple's own unsubscribe banner successfully presents a confirmation modal when its primary action is clicked, demonstrating that this flow is intended to work. That behavior does not appear to be accessible to third-party extensions via the documented EMessageSecurityHandler API. Or if it is and I'm missing something, I'd love to know. Thanks!

Hello, I'm trying to build a MailKit extension that parses PDFs. My extension initially gets the call for decide action, I request invokeAgain. func decideAction(for message: MEMessage, completionHandler: @escaping (MEMessageActionDecision?) -> Void) { guard let data = message.rawData else { completionHandler(MEMessageActionDecision.invokeAgainWithBody) return } let content = String(data: data, encoding: .utf8) print(content) When I try to reconstruct the PDF attached: I find the headers, and the text content, but I don't see the base64 content of the PDF file. Is there something I'm missing here? Thanks in advance

Hi, I’m looking for guidance on enabling push notifications for new emails in the native iOS Mail app (com.apple.mobilemail). Currently, I send push notifications using macOS Server (formerly OS X Server) Mail, but since it has been discontinued and renewal is no longer possible, I want to transition to the standard method used by email providers to notify the stock Mail app about new messages. To achieve this, I need access to the com.apple.mobilemail.push.com.zuplu APNs topic. This follows the same pattern used by other providers: iCloud: com.apple.mobilemail.push.com.me.mail.castle Fastmail: com.apple.mobilemail.push.com.fastmail Since Fastmail (as a third-party provider) has access to this, I assume there is a way for independent mail providers to integrate with XAPPLEPUSHSERVICE. In the interest of a free market and fair competition, I trust that Apple provides a means for email providers to notify the stock Mail app of IMAP server changes, allowing it to fetch new messages instantly. Under EU competition law, particularly Article 102 TFEU, dominant companies must not engage in anti-competitive behavior, including restricting access to essential services in a discriminatory manner. Furthermore, the Digital Markets Act (DMA) explicitly prohibits gatekeepers from favoring their own services or restricting interoperability without justification. Any insights or official guidance would be greatly appreciated! Thanks, DragonWork