Integrations

Slack

The Mailgun Slack integration sends real-time email deliverability alerts directly to your Slack channels. Get blocklist, validation, and reputation notifications without switching platforms. Respond to email issues faster and support stronger deliverability outcomes.
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Overview

Get email alerts directly in Slack. DevOps, developers, and marketers get a unified view of email health in real time. Streamline incident response, improve list hygiene, and reduce missed opportunities. 

  • Real-time blocklist monitoring alerts for major providers like Spamhaus and SpamCop
  • Bulk email validation completion notifications
  • Channel-specific delivery configuration for organized collaboration
  • Instant domain and IP reputation change alerts
Screenshot of Slack integration in Mailgun.

Receive real-time, event-based Mailgun notifications without leaving Slack.

Use Cases

Popular ways teams use the Mailgun Slack integration

Blocklist incident management

Get notified when a sending IP or domain hits a blocklist. Coordinate response steps in Slack immediately.

Blocklist removal confirmation

Get confirmation when a previously listed IP or domain clears. Keep your team updated on resolution status.

Bulk validation workflow automation

Get alerts when large email verification jobs finish. Act quickly to maintain list hygiene.

Cross-team deliverability coordination

Route technical and marketing alerts to separate Slack channels. Keep every stakeholder informed.

How To Enable The Integration

Quick start in four easy steps

Connect Mailgun to Slack and start receiving alerts in minutes.

  • Step 1: Connect Mailgun  to Slack from the Mailgun Control Panel or install the Mailgun Alerts app from Slack.

  • Step 2: Select the Mailgun events to trigger Slack notifications, including delivery failures, email verification completions, block list alerts, and more.

  • Step 3: Choose the Slack channels you’ll use for alert monitoring and grant the necessary permissions. For example, Send bounce alerts to #email-ops and validation warnings to #postmaster.

  • Step 4: Save, test, and fine-tune notification preferences.

Image for Quick start in four easy steps

Why Sinch Mailgun

Why teams choose Mailgun with Slack

Faster time to action

Slack alerts reduce time between detection and resolution for deliverability incidents.

Built-in collaboration

Channel-specific routing keeps DevOps, developers, and marketers aligned in Slack.

Global compliance ready

Multi-region support lets US and EU teams receive alerts while meeting data residency requirements.

FAQs

Common questions about the Mailgun Slack integration

You can receive alerts for blocklist monitoring, bulk email validation completion, domain and IP reputation changes, delivery failure alerts, as well as Send Alerts for complaint rate, delivery rate, hard bounce rate, and temporary fail rate. After enabling the alerts, select which types to receive and the Slack channels they should be sent to for monitoring.

For setup instructions, see the Alerts Setup Guide.

No, the Mailgun Slack integration is free.

However, if you want alerts that are specific to Mailgun Optimize or Validate plans, you will need to upgrade your account to receive those specific alerts.  

Yes. You can route technical, marketing, and incident notifications to separate Slack channels for focused collaboration. 

Mailgun notifications appear in Slack in near real time as events occur in your Mailgun account. 

Yes. The integration supports multi-region alerts for compliance with data residency requirements for global teams. 

Connect Mailgun to Slack, select the events and channels, grant permissions, then save and test. Setup takes minutes. 

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