GMass + Mailgun Integrations, Built by an AI Agent
Put GMass + Mailgun to work with AI and enterprise-grade automation
4.9/5 on G2·
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Workflows you can build between GMass and Mailgun
See the kind of workflows teams build with GMass and Mailgun below — describe the exact one you want above and the Agent builds it on demand.
GMass + Mailgun
When a recipient replies to a campaign in GMass, log or forward the event through Mailgun.
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Forward incoming emails across accounts
When a new email is received in GMass, automatically send a copy through Mailgun to keep alternate inboxes informed.
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Sync draft messages for secondary review
When an email is received in GMass, automatically create a draft reply in Mailgun so a team member using that system can review before sending.
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Apply labels based on sent status
When an email is sent in Mailgun, automatically add a corresponding label in GMass to mark the conversation as handled.
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Browse the full workflow library →
Looking to achieve something else with GMass and Mailgun?
Just describe what you need — the Agent researches both APIs and builds the real automation on demand.
Try Knit FreeTriggers & actions for GMass and Mailgun
Everything GMass and Mailgun can do inside a workflow — the triggers that start one and the actions that run when it fires.
GMass Explore GMass →
GMass is a mail merge extension for Gmail that allows users to send mass email campaigns and automated follow-ups.
TriggersTriggers when an email bounces.
Triggers when a link in an email is clicked.
Triggers when an email is opened.
Triggers when an email that is sent as part of a campaign receives a reply.
Triggers when an individual email is sent as part of a campaign. This is not the trigger for transactional emails.
Triggers when an email address is unsubscribed from your GMass account.
Adds an email address to your account's unsubscribe list. This will prevent your account from sending any campaigns to this address.
Stops a campaign from sending to a particular email address. This is different from "Add Unsubscribe" because this is like unsubscribing an address just for a particular campaign rather than account-wide.
Sends a single transactional email.
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 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.
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.
Bluetick.io
Bluetick.io is an automated email follow-up platform designed to help sales teams engage prospects and streamline outreach.
Connect 365
Connect 365 is an automated email outreach application that delivers personal cold prospect messaging directly through web email accounts.
EcoSend
EcoSend is a climate-conscious email platform designed to help businesses send marketing campaigns and transactional emails sustainably.
Elastic Email
Elastic Email is an email marketing and transactional email delivery platform featuring SMTP relay and email API services.
Gmail
Gmail is a free email service developed by Google that allows users to send, receive, and manage messages.
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.
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.
Bluetick.io
Bluetick.io is an automated email follow-up platform designed to help sales teams engage prospects and streamline outreach.
Connect 365
Connect 365 is an automated email outreach application that delivers personal cold prospect messaging directly through web email accounts.
EcoSend
EcoSend is a climate-conscious email platform designed to help businesses send marketing campaigns and transactional emails sustainably.
Elastic Email
Elastic Email is an email marketing and transactional email delivery platform featuring SMTP relay and email API services.
Gmail
Gmail is a free email service developed by Google that allows users to send, receive, and manage messages.
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 GMass + Mailgun
Is there a pre-built GMass + Mailgun automation?
Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches GMass and Mailgun's public API docs (or your own uploaded docs) and builds a working automation.
Does this require a pre-built GMass or Mailgun connector?
No. The Agent works whether or not GMass 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 connect two email platforms like GMass and Mailgun?
Mirroring emails across platforms helps teams manage shared inboxes, backup communications, or sync workflow statuses across different domain providers.
Can draft messages be synchronized between GMass and Mailgun?
Yes, receiving or drafting a message in GMass can automatically create a draft in Mailgun for cross-platform review and sending.