Inbox Warmup Addon

03:18 mins
S

SendX

Updated on Dec 10, 2025

Improving Domain Reputation with Inbox Warm Up

When you have a new domain or need to improve the domain reputation, using the Inbox Warm Up add-on can significantly increase your email deliverability. Follow this step-by-step guide to set it up:

Step 1: Access Inbox Warm Up Add-on

  1. Click on the profile icon in the navigation bar.

  2. Select Settings from the drop-down menu.

  3. In the Settings menu, click on Add-ons.

  4. Select Inbox Warm Up from the list.

Step 2: Configure Senders

  1. In the Inbox Warm Up section, click on the Settings tab.

  2. Select which senders you want to use to warm up your inbox.

  3. If you'd like to add a different or new sender, click on the name and choose the new sender.

Step 3: Add Campaign Template

  1. Click Browse Campaigns to go to the Campaigns area of SendX.

  2. Select a campaign template similar to what you plan on sending to your prospects.

  3. Click the Options icon next to Campaign Warm Up Demo.

  4. From the drop-down menu, select Set as Warm-up Template.

  5. In the pop-up, confirm by clicking Set as Warm-up Template.

Step 4: Finalize Warm-up Settings

  1. Navigate back to Settings, then Add-ons.

  2. Locate and click on Inbox Warm Up in the list.

  3. In the Warm-up Settings, select the sender you want to add to your inbox.

  4. Select the email you want to use for inbox warm-up from the drop-down menu.

If you don't select your own template, an email template that follows the best practices for email deliverability will be used.

Step 5: Monitor Deliverability

  1. Click on Reports to view data on the inbox warm-up's progress.

  2. In the Warm-up Deliverability Reports, choose the domain of the inbox you're warming up.

  3. View domain level and individual warm-up metrics like deliverability percent and the amount of emails that landed in the inbox or spam filter.

  4. To see detailed reporting of your weekly auto-deliverability test by different inbox providers, click on Show Details.

An insider's tip: If you're seeing poor deliverability, consider sending from your own IP address and customizing email routing through different domains, IP addresses, and inbox providers. Our professional services team can assist with this.

Step 6: Enable the Add-on

  1. Click on the Overview tab.

  2. Head to the top and click the toggle to enable the add-on.

Congratulations, you're one step closer to better email deliverability!