Domain/IP warming issues

Overview

When warming the reputation of a domain or IP address, it is possible to experience issues during that warm-up.

Learn more about common deliverability issues and how to resolve them.

How to identify warming issues

The following are key indicators of warming issues during ramp-up:

• High bounce rates.
• High deferral rates.
• Low open rates.

Why do these issues occur?

Most domain/IP warming issues arise from one or more of the following causes:

• Blocklisting.
• List-health issues.
• Improper volume ramp-up.
• Accidental send.

How to resolve these warm-up issues

Follow the relevant recommendations based on the specific factors affecting domain or IP warming to effectively address and resolve issues.

• Blocklisting issues.
• List-health issues.
• Improper volume ramp-up.
• Accidental sends during warming.

Blocklisting issues

Submit a removal request to the relevant blocklist provider.

• For assistance, contact Ortto's Support team.

List-health issues

• Remove long-term unengaged subscribers (those who haven't opened in over 12 months).
• Ensure all signups sources are secured with CAPTCHA.
  • Learn more about how to enable Google reCAPTCHA.
• Remove all recipients who have not directly opted in to marketing content.
• If issue continues, focus on recently engaged subscribers (signed up or opened in the last 90 days).

Improper volume ramp-up

• Contact Ortto's Support team to identify a safe and sending volume to return to.
• Strictly follow the advised daily-maximum ramp-up guidance.

Accidental sends during warming

• Resume warming from the last successful stage before accidental send.
• For the next few sends, focus on highly engaged contacts (last 90 days).
• If a correction email is necessary, use automation to send to only contacts who opened or clicked on the original message.