Email warmup for your sending tool. What it includes, what it lacks.
Most sequencers ship a warmup toggle. Each page here states what that toggle does from the tool's own documentation, dated, and how MailStrike warms the same Google Workspace or Microsoft 365 mailboxes alongside the tool's sending. Nothing to integrate: the two connect to the mailbox independently.
Apollo email warmup, explained
Apollo's opt-in Email Warmup, powered by Warmbox: 10 to 40 a day, capped at 50, a two-week ramp, what its docs leave out, and MailStrike alongside it.
Native warmupYes, Warmbox.ai
Instantly warmup settings and limits
What Instantly's warmup does, per its help centre: the shared pool, about 10 a day to start, the 2 to 3 week wait, the 90% health score, and the gaps.
Native warmupYes, Instantly shared warmup pool
Best Smartlead warmup settings
Smartlead's warmup settings from its docs: 20 to 40 a day, a ramp of 2 to 3 a day, 14 to 30 days to full volume, and when to add a dedicated warmer.
Native warmupYes, Smartlead warmup pool + smart-adjusting algorithm
GoHighLevel (GHL) email warmup
GHL's Domain Warmup is a 15-stage volume ladder for sending domains, about 1,000 to 250,000 a day. It does not warm connected mailboxes; here is what does.
Native warmupNo
More tools follow as their documentation is verified. Every page is checked against the tool's own documentation on the date shown at the top of its facts table.
Want to see how MailStrike warms?
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