Which email warmup service do you use? Why?

I agree with @richa_sharma07. Just finished an IP warm up manually. It's going to be your most reliable method. Are you warming up for cold outreach or for marketing? Which platform are you using? Are you on a shared or dedicated IP?

Smartlead.ai is a good one; the best thing is they give unlimited warmups with every plan.

I carefully evaluate various email warmup services based on their effectiveness, reputation, customer reviews, and pricing. Currently, I use Lemlist's Warmup Service because it offers a comprehensive suite of features, reliable deliverability, excellent customer support, and competitive pricing, ensuring a successful email outreach campaign.