image for site

Configuring Email Threading in Zendesk Tickets

Discover why you can't configure emails to thread into existing Zendesk tickets without matching message-IDs. Learn about this hard-coded feature.

Why can't I configure emails to thread into existing Zendesk tickets?

Emails cannot be configured to thread into existing tickets unless they have matching message-IDs. This is a hard-coded feature in Zendesk.

The system relies on message-IDs to determine whether an email should be added as a comment to an existing ticket. Unfortunately, this logic cannot be altered, so it's crucial to ensure that the message-ID matches if you want emails to be threaded correctly.


More related questions

Can I add emails with the same subject to an existing Zendesk ticket?

No, you cannot add emails with the same subject line to an existing ticket as a comment. Emails must have matching message-IDs to be threaded into existing tickets. This is a hard-coded feature in Zendesk and cannot be changed. If you're looking to…

What is required for an email to be added as a comment to a Zendesk ticket?

For an email to be added as a comment to an existing Zendesk ticket, it must have a matching message-ID. This is a non-negotiable requirement. The message-ID is used by Zendesk to identify whether an email should be threaded into an existing…

Interested indeflectingover 70% of your Zendesk support tickets?

Our AI customer support agent is here to help. Trained on all your help docs, installed directly into your Zendesk account, it can be used to automate customer replies for tickets or live chat. Learn more below.
Zendesk logo

Zendesk Support Tickets

Receive new tickets by email or a support form? This integration is for you.
My AskAI integrated within Zendesk to deflect support tickets
Learn about our Zendesk ticket integration
Zendesk logo

Zendesk Messaging (live chat)

Using Zendesk's Messaging widget on your site for live chat? This integration is for you.
My AskAI integrated within Zendesk to deflect customer support live chat conversations
Learn about our Zendesk Messaging integration

Join1,000+ companies reducing their support costs and freeing up support agents for more important work

Vestd company logo — Customer of My AskAI's AI customer support agents
Genesis company logo — Customer of My AskAI's AI customer support agents
Zinc company logo — Customer of My AskAI's AI customer support agents
Customer.io company logo — Customer of My AskAI's AI customer support agents
Zeffy company logo — Customer of My AskAI's AI customer support agents
NHS company logo — Customer of My AskAI's AI customer support agents
Kontakt.io company logo — Customer of My AskAI's AI customer support agents

Reduce support costs.Spend more time on customer success.

Our AI customer support agents are already used by 👇
Companies using AI assistants on their websites