How does Apple Private Relay encode email addresses and how does domain whitelisting affect deliverability?
Summary
What email marketers say6Marketer opinions
Email marketer from Litmus explains that domain whitelisting is essential when sending emails to Apple Private Relay addresses because Apple requires senders to be verified to prevent abuse. Failure to whitelist can result in bounced emails and negatively impact sender reputation.
Email marketer from EmailToolTester shares that Apple’s Private Relay can complicate email deliverability because it masks user identities and can affect list hygiene. They recommend monitoring engagement metrics closely and adjusting sending strategies accordingly.
Email marketer from Reddit shares that using Apple's Private Relay can impact sender reputation if not managed correctly, as the relayed addresses can mask user behavior and potentially lead to deliverability issues if recipients mark emails as spam.
Email marketer from Mailjet outlines that to ensure successful delivery to Apple Private Relay addresses, it is crucial to maintain a clean sending reputation, authenticate your emails using SPF, DKIM, and DMARC, and monitor bounce rates to promptly address any deliverability issues.
Email marketer from SendGrid explains that Apple Private Relay can impact email marketing metrics by providing users with the ability to mask their real email addresses and that domain whitelisting is necessary for proper deliverability.
Email marketer from StackOverflow explains that Apple Private Relay encodes the original recipient's email into the local-part of the @privaterelay.appleid.com address. Senders need to handle these addresses correctly to avoid parsing or routing errors.
What the experts say6Expert opinions
Expert from Email Geeks explains that the email address you send from is encoded in the local part of the From: address as the user sees it.
Expert from Email Geeks shares that your sending domain needs to be whitelisted by Apple to send to private relay addresses. Assuming you’re whitelisted with Apple, it should work fine if your ESP can provide custom return paths and your domain is in there.
Expert from Spam Resource highlights the importance of monitoring feedback loops when sending to Apple Private Relay addresses. This allows senders to identify and address any deliverability issues that may arise due to users marking emails as spam.
Expert from Spam Resource advises that with Apple Private Relay, maintaining clean and engaged email lists is crucial. Sending to inactive or unengaged relayed addresses can negatively impact sender reputation and deliverability.
Expert from Email Geeks explains that if you’re not whitelisted with Apple, the mail will all bounce, and you also have no legitimate access to the email addresses.
Expert from Spam Resource explains that to ensure email deliverability with Apple Private Relay, senders must properly authenticate their sending domains using SPF, DKIM, and DMARC. This helps to verify the legitimacy of the email and prevents it from being flagged as spam.
What the documentation says3Technical articles
Documentation from Apple Support describes that Hide My Email allows users to create unique, random email addresses that forward to their personal inbox, and these addresses are in the @privaterelay.appleid.com domain. Sending to these addresses requires proper domain whitelisting to ensure deliverability.
Documentation from Apple details that to properly send emails to users utilizing Private Email Relay, developers must configure their app capabilities, specifically the Private Email Relay service, to ensure correct routing and deliverability.
Documentation from Apple Developer explains how to configure the Private Email Relay service, which involves setting up an associated domain and enabling the capability within the app's settings in App Store Connect.
Related resources0Resources
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