Slack + Mailgun Integrations
Put Slack + Mailgun to work with AI and enterprise-grade automation
4.9/5 on G2·
Google for Startups Accelerator
Workflows you can build between Slack and Mailgun
See the kind of workflows teams build with Slack and Mailgun below — describe the exact one you want above and the Agent builds it on demand.
Slack + Mailgun
When an email delivery fails in Mailgun, post a notification message to a channel in Slack.
Forward incoming client emails to a team chat channel
When a new email is received in Mailgun, automatically post a message to a team channel in Slack to keep everyone informed.
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Send emails directly from team chat messages
When a new message is posted in a specific channel in Slack, automatically send an email to designated recipients using Mailgun.
See details
Alert team members when emails bounce
When an outbound email bounces in Mailgun, send a direct message to the sender in Slack so they can verify the contact's details.
See details
Browse the full workflow library →
Looking to achieve something else with Slack and Mailgun?
Just describe what you need — the Agent researches both APIs and builds the real automation on demand.
Try Knit FreeTriggers & actions for Slack and Mailgun
Everything Slack and Mailgun can do inside a workflow — the triggers that start one and the actions that run when it fires.
Slack Explore Slack →
Slack is a channel-based messaging platform designed to facilitate real-time team communication and collaboration.
TriggersTriggers when a new message is posted to any public channel.
Triggers when a new #channel is created.
Triggers when a new message is posted to a specific #channel you choose.
Triggers when a custom emoji has been added to a team.
Triggers when a new file is uploaded to your workspace.
Triggers when a username or highlight word is mentioned in a public #channel.
Adds a reaction to a message.
Adds a reminder for yourself or a teammate, just like the /remind slash command.
Archives a conversation (e.g., public channel, private channel, DM, or group DM).
Cancels a message that has been scheduled to be posted.
Invite an existing User to an existing Channel. You must be a member of the channel to invite someone to it.
Post a message or thread reply to a channel. You can also schedule it to send later.
Mailgun Explore Mailgun →
Mailgun is an email API service designed for developers to send, receive, and track transactional and marketing emails at scale.
TriggersTriggers when new log entries are found in Mailgun. Because this trigger uses polling, multiple log entries may be returned at once during each polling interval.
Triggers when a Mailgun alert occurs. Validation alerts (e.g., bulk validation job completed, validation previews) are available on all plans. Deliverability alerts (e.g., IP or domain blocklist changes, reputation shifts) require an Optimize plan.
Triggers when an email permanently or temporarily fails in Mailgun.
Triggers when a recipient reports an email as spam in Mailgun.
Triggers when an email is successfully delivered in Mailgun.
Triggers when an email fails to deliver in Mailgun.
Upload a CSV (with an "email" header) and start a bulk validation job using Mailgun V4 API.
Sends an email using your Mailgun account.
Retrieves completed bulk validation job results using the job identifier for automated result processing.
Adds a new member to a mailing list in Mailgun.
Validates an email address using Mailgun's validation service and returns comprehensive deliverability results.
This is an advanced action which makes a raw HTTP request that includes this integration's authentication.
Other Team Chat apps on Knit
Explore more Team Chat integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
AnywhereWorks
AnywhereWorks is team chat software that facilitates instant messaging, video meetings, and remote team collaboration.
Chanty
Chanty is a team messaging application featuring group chat, voice messages, video calls, and integrated task management tools.
Chatwork
Chatwork is a business messaging platform that combines group chat, task management, video calling, and file sharing for team collaboration.
Discord
Discord is a voice, video, and text communication platform popular among communities, gaming groups, and online topic discussions.
Fleep
Fleep is a messaging and team collaboration tool that combines chat, project tasks, and file sharing in one platform.
Flock
A business communication and team messaging app that provides channels, video conferencing, and productivity tools in one interface.
Glip
A team messaging and collaboration software by RingCentral featuring group chat, video meetings, and task assignment.
Glue
A team messaging and collaboration platform designed to streamline workplace conversations, file sharing, and internal updates.
Other Email apps on Knit
Explore more Email integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
ActiveCampaign Postmark
ActiveCampaign Postmark is a transactional email delivery service designed to help developers send application emails and monitor delivery performance.
Adestra
Adestra is an enterprise email marketing software platform providing message personalization, automation, and campaign delivery tracking.
Amazon SES
A cloud-based email sending service designed to send transactional, notification, and bulk marketing emails reliably.
Autoklose
Autoklose is an email sales automation platform designed to manage contacts, automate outreach campaigns, and engage prospects.
BigMailer
BigMailer is an email marketing and newsletter platform that allows agencies and high-volume senders to manage bulk email campaigns.
Bluetick.io
Bluetick.io is an automated email follow-up platform designed to help sales teams engage prospects and streamline outreach.
Bouncer
Bouncer is an email verification and deliverability platform for cleaning and validating email lists.
Ceipal
Ceipal is talent acquisition and communication software designed to manage recruitment workflows and email outreach.
Customer Stories
See how leading technology firms are scaling their operations
Amazing Product With Exceptional Support from the team. By using Knit we managed to speed up our development by orders of magnitude.
A brilliant tool to let you seamlessly integrate with many different systems. It is very easy to integrate with and customer support is next level.
Seamless integration experience. Well-documented, self-explanatory APIs, and excellent service and support.
Easy to integrate. Knit's dashboard is intuitive for setting up and testing integrations, and the sandbox is extremely useful during development.
Knit shipped a brand-new Timesheet API in a week and handed us a ready-to-use NetSuite sandbox. That velocity is priceless when you're running payroll in 40+ countries.
#1 in Ease of Integrations
4.9 out of 5 stars on G2
Common questions about Slack + Mailgun
Is there a pre-built Slack + Mailgun automation?
Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches Slack and Mailgun's public API docs (or your own uploaded docs) and builds a working automation.
Does this require a pre-built Slack or Mailgun connector?
No. The Agent works whether or not Slack or Mailgun already has a pre-built connector in Knit's catalog — it researches the real API surface either way.
How long does it take to build?
Minutes to build a first working version, not weeks — you test it against real data before it goes anywhere near production.
Why should I connect Mailgun to Slack?
It ensures important incoming client emails in Mailgun immediately reach relevant team chat channels in Slack so teams can collaborate faster.
Can messages in Slack lead to email dispatches in Mailgun?
Yes, when specific messages or updates are posted in a channel in Slack, automated workflows can send or draft an email directly in Mailgun.