How to set up a cold email campaign that lands in the primary inbox?

To land in the primary inbox, warm up dedicated sending domains for 3-4 weeks, authenticate every domain with SPF, DKIM, and DMARC, and keep sending volume under 50 emails per mailbox per day. Build prospect lists of 200-500 tightly targeted contacts per campaign, write sequences of 4-6 steps mixing email and LinkedIn touches, and keep open text plain, personalized to each prospect. OnyxSend automates warmup, authentication checks, sequence cadencing, and meeting booking so your pipeline stays full without manual overhead.

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