How to successfully apply IP warm-up?

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First, you need to find out where you stand. Therefore, before starting your efforts to warm up an IP address, we recommend that you test how your emails that you plan to send are assessed by email client spam filters . For example, the Mail Tester application is a good way to do this , and it doesn't cost you anything. For details, see our article How to Increase Email Deliverability .

Then you can start implementing your own IP warm-up. In the following way.

1. Monitor and evaluate factors that affect IP address trustworthiness

This is mainly about:

how many emails do you send,
how often do you send them,
what percentage of emails are marked as spam,
how many recipients have blocked your email,
What is the percentage of recipient engagement – ​​open rate, click-through rate, bounce rate, etc.
2. Care about what you send

Factors like open, click-through, and bounce rates play a belgium email list key role in building sender IP credibility. There’s a simple equation here: the higher the engagement of email recipients, the higher the sender’s credibility. How do you achieve this?

Personalize as much as you can.
Use real customer testimonials as social proof in your emails .
Include a prominent call-to-action button in every email.
Make sure the email looks nice on both desktop and mobile devices.
Occasionally include interactive elements such as video, GIFs, etc.
3. Pay attention to your contact list

When it comes to building trust, quality is more important than quantity. So, although it may sound counterintuitive at first glance, don't be afraid to regularly clean up your contact list and remove inactive recipients.

4. Create a separate address for transactional emails

It is extremely important that transactional emails (e.g. informing about successful registration, order confirmation, thank you for the purchase, information about shipping and delivery) arrive in the customer's inbox, because they often wait for them, and if they don't arrive, they may lose trust in you. Just like their internet provider.

For this reason, it is advisable to create a separate address purely for the purpose of sending transactional emails, so that their delivery rate will not be affected by the results of marketing or other campaigns that you normally send.