Gmail has written a detailed guide regarding email deliverability. We recommend reading it through to understand various best practices for improving email deliverability. For technical stuffs like DKIM, unsubscribing users, ip adresss etc, they are already well handled on our end.
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Updated: Sending requirements from Feb 2024
Both Gmail and Yahoo have additional requirements for email senders starting from February 2024.
All email senders should refer to guide below to ensure they've met the new requirements so that your emails gets delivered to inbox.
- Learn more about Gmail and Yahoo's upcoming sender requirements.