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Deliverability

SPF, DKIM, DMARC, IP warm-up, and everything that determines whether your email reaches the inbox.

Email authentication isn't optional anymore. Google and Yahoo now require SPF, DKIM, and DMARC for bulk senders. Here's how to set them up correctly.

Sending from a new IP without warming up is like showing up to a job interview in pyjamas. Here's how to build sender reputation the right way.