Recall the core deliverability checks that matter before a bulk send.
What job does SPF do in plain language? SPF says which servers are allowed to send mail for your domain. It is about sender authorization, not message content quality. What job does DKIM do in plain language? DKIM signs the message so receiving systems can verify the sending domain took responsibility for it. It helps prove the message was not altered and came from an authorized signer. SPF vs DKIM: what is the practical difference? Bulk senders usually need both, then DMARC alignment on top. “If unsubscribes go up, the campaign must be failing.” A stakeholder worries that easier unsubscribe…
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