Email Deliverability

How to Warm Up a Dedicated IP Address with Mailivery

Published on
August 22, 2025
Post by
Mike Shamsuddin
How to Warm Up a Dedicated IP Address with Mailivery

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When you send email from a new dedicated IP address, inbox providers don’t trust you right away. They want to see proof that you’re a reliable sender. If you skip the warm-up process, most of your emails will go straight to spam.

That’s why IP warm-up is essential. With Mailivery, you can connect your SMTP that runs on a dedicated IP and automatically send emails to a network of active mailboxes. Those mailboxes open, reply, and engage with your messages, which builds the trust signals you need to improve deliverability.

Why IP Warm-Up Matters

Mailbox providers judge every sender based on reputation. If a fresh IP suddenly pushes thousands of emails, they treat it as suspicious. The safest way to earn trust is by starting small and showing consistent engagement.

A proper warm-up looks like this:

  • Begin with low daily volumes.
  • Make sure emails are being opened and replied to.
  • Slowly increase the number of sends over time.

Think of it like building a credit score. You can’t get approved for a large loan without first proving that you can handle smaller amounts responsibly. IP reputation works the same way.

Within a few weeks of steady sending and real engagement, a dedicated IP can go from unknown to trusted, which means your marketing campaigns are far more likely to hit the inbox.

How Mailivery Makes IP Warm-Up Easy

Warming up manually takes work. You would need to send test emails, track replies, and adjust sending patterns every few days. However, an email warm-up tool automates all of this while giving you better engagement than you could ever create on your own.

Here’s what Mailivery does for you:

  • Generates real engagement by sending emails from your dedicated IP to a large network of inboxes that open, star, and reply to messages.
  • Creates authentic conversations with AI-driven replies that sound human and natural.
  • Lets you control warm-up schedules by choosing your starting speed and how fast you want to ramp up.
  • Monitors blacklists automatically and alerts you if your IP or domain gets flagged so you can take action before it hurts deliverability.
  • Scales with multiple mailboxes since every account connected to your IP adds to its reputation.
  • Provides deliverability reports that show how many emails are hitting inbox vs spam and gives tips to improve results.

By handling the heavy lifting, we accelerate trust-building for your IP and helps you reach the inbox faster.

Best Practices for Warming Up a Dedicated IP

Even with automation, there are warm-up rules to follow if you want the best outcome.

  1. Go through this free deliverability toolkit and follow all recommended steps.
  2. Authenticate and check blacklists before you start. Make sure SPF, DKIM, and DMARC are in place, and confirm that your IP and domain aren’t listed anywhere.
  3. Start around 250 emails per day and scale up gradually. If you need higher volumes, spread them across more mailboxes.
  4. Ramp up over 14 to 30 days depending on your goals and the history of the IP. Going too fast will undo progress.
  5. Use multiple inboxes on the same IP for stronger signals and faster scaling.
  6. Track inbox placement to see where your emails are landing and slow down if spam placement is still high.
  7. Increase reply rates in Mailivery if your real campaigns don’t get many responses. More replies = better trust signals.
  8. Keep lists clean by removing bounces and inactive contacts before you scale.
  9. Continue warming after the initial ramp-up at a lower volume to maintain reputation and offset any negative engagement.

Extra Tips for Success

  • Warm up your sending domain at the same time as your IP. Both need a good reputation to maximize deliverability.
  • Avoid spammy content in your templates. Mailivery’s AI keeps things natural, but if you write your own, keep it simple and human. You can use this free spam words checker tool to help fine-tune your content.
  • Use the data you collect. If you see trouble spots with certain providers, extend the warm-up or slow the ramp.

Final Thoughts

Warming up a dedicated IP is the foundation of strong deliverability. It’s the difference between inbox placement and wasted effort. By starting small, scaling gradually, and showing consistent engagement, you build a reputation that inbox providers trust.

Mailivery makes this process painless. With automatic engagement, customizable schedules, blacklist monitoring, and detailed reporting, it’s the easiest way to warm up a dedicated IP and keep it healthy long-term.

If you plan to send bulk email from a dedicated IP, don’t leave reputation to chance. Start warming up with Mailivery and set yourself up for inbox success.

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