Gmail + Slack
Connect Gmail and Slack to Keep Your Team in the Loop
Automate email-to-Slack notifications and stop paying the tax of bouncing between your inbox and team chat all day.
Why integrate Gmail and Slack?
Gmail and Slack are probably the two apps your team lives in most — and they barely talk to each other. Most teams paper over the gap manually: copy-pasting updates, forwarding emails, or retyping summaries into channels. Integrating Gmail with Slack through tray.ai cuts that out entirely. The right email shows up in the right channel automatically, so your team can respond faster, miss less, and spend less time playing inbox relay.
Automate & integrate Gmail & Slack
Use case
Real-Time Email Alerts for High-Priority Senders
Automatically post a Slack notification whenever an email arrives from a specific VIP sender, domain, or with a particular subject-line keyword. Account managers, executives, or on-call teams see it immediately — no inbox refreshing, no important email buried under newsletters.
Use case
Customer Support Ticket Notifications in Slack
When a customer emails your support address, push a structured Slack message to your support or customer success channel — sender name, subject, link to the thread, all of it. Your team can triage and assign ownership right from Slack without flipping back to Gmail.
Use case
Sales Lead and Inbound Inquiry Alerts
Send inbound sales inquiries from Gmail to a dedicated Slack channel the moment they arrive, giving your sales team a live feed of new leads. Include sender, company domain, and email snippet so reps can prioritize outreach immediately. Pair this with CRM automations to make sure every lead gets captured and followed up on.
Use case
Daily or Weekly Email Digest Summaries in Slack
Schedule a recurring automation that scans your Gmail inbox for unread or labeled emails and posts a concise digest directly into Slack. Good for executive summaries, vendor updates, or partnership newsletters that the broader team should see — without overwhelming any single inbox.
Use case
Send Slack Messages as Gmail Emails
Let team members trigger outbound Gmail emails from a Slack command or workflow without ever leaving Slack. Useful for templated follow-ups, customer replies, or partner updates that got drafted collaboratively in Slack before going out. Customer success and sales teams find this especially handy.
Use case
Contract and Document Received Notifications
When Gmail gets an email with an attachment — signed contract, invoice, legal document — automatically notify the relevant Slack channel with sender details and the attachment name. Finance, legal, and ops teams can act on time-sensitive documents without delay. You can extend the workflow to save attachments directly to Google Drive or Dropbox as well.
Use case
Email Thread Status Updates for Project Channels
Keep project-specific Slack channels current by posting updates when an email thread matching a project label or keyword gets a reply. Project managers and team members stay in the loop on external stakeholder communication without being CC'd on everything.
Get started with Gmail & Slack integration today
Gmail & Slack Challenges
What challenges are there when working with Gmail & Slack and how will using Tray.ai help?
Challenge
Filtering Signal from Noise in a Busy Inbox
Gmail inboxes get hundreds of emails a day — newsletters, automated pings, internal threads, and genuinely urgent messages all arrive in the same pile. Forwarding everything to Slack would bury your channels in noise and make people start ignoring notifications entirely.
How Tray.ai Can Help:
tray.ai's workflow builder lets you set granular filtering logic using Gmail labels, sender addresses, subject-line keywords, or email body content. Only emails that match your exact criteria trigger a Slack notification, so your channels get actionable alerts and nothing else.
Challenge
Mapping Emails to the Right Slack Channels and People
A support inquiry should go to #customer-success. A contract should go to #legal. A partnership email should go to a specific account manager. Without dynamic routing, integrations default to dumping everything into one channel, which creates noise for everyone.
How Tray.ai Can Help:
tray.ai supports conditional branching and data lookup steps in the same workflow. You can build routing logic that reads email metadata and picks the right Slack channel or user dynamically — no hardcoding, and easy to update as your team changes.
Challenge
Keeping Authentication Secure Across Both Platforms
Gmail and Slack both use OAuth 2.0, and enterprise IT teams often have strict policies around which apps can touch email data or post to Slack workspaces. Token expiry, permission scope changes, and workspace admin restrictions can silently break integrations with no visible warning.
How Tray.ai Can Help:
tray.ai handles OAuth token refresh automatically for both Gmail and Slack, and surfaces authentication errors visibly in the platform so they get fixed fast. Connections are set up once and maintained by tray.ai, with enterprise-grade security and compliance controls throughout.
Challenge
Formatting Readable, Actionable Slack Messages from Email Data
Raw email data is messy — long threads, HTML bodies, walls of headers. None of that translates cleanly into a Slack message. Teams need structured, scannable notifications with exactly the right information, not a raw email dump.
How Tray.ai Can Help:
tray.ai's data transformation tools let you parse, clean, and restructure email data before it hits Slack. Use Slack's Block Kit formatting through tray.ai to build rich notifications with bolded fields, action buttons, and direct links — actual useful cards, not noise.
Challenge
Handling High Email Volumes Without Losing Events
During product launches, campaign sends, or fiscal close, Gmail inboxes can get hit with hundreds of emails in minutes. A poorly built integration misses events, duplicates notifications, or backs up a queue — leaving your Slack alerts delayed or gone entirely.
How Tray.ai Can Help:
tray.ai runs on a scalable, event-driven architecture with reliable trigger handling and workflow queuing. Even during high-volume bursts, every event gets processed in order without duplication, so your Slack notifications stay accurate, timely, and complete.
Start using our pre-built Gmail & Slack templates today
Start from scratch or use one of our pre-built Gmail & Slack templates to quickly solve your most common use cases.
Gmail & Slack Templates
Find pre-built Gmail & Slack solutions for common use cases
Template
New Gmail Email to Slack Channel Notification
Automatically post a formatted Slack message to a specified channel whenever a new email arrives in Gmail matching defined criteria — sender, label, or subject keyword.
Steps:
- Trigger: New email received in Gmail matching filter criteria (label, sender, or keyword)
- Action: Extract sender name, email address, subject line, and body snippet
- Action: Post a formatted message to a designated Slack channel with all extracted details and a direct link to the Gmail thread
Connectors Used: Gmail, Slack
Template
Gmail Attachment Received — Slack Alert with File Details
Detect incoming Gmail emails with attachments and send a Slack notification to the right team channel, including sender info, attachment name, and file size.
Steps:
- Trigger: New email arrives in Gmail containing one or more attachments
- Action: Parse email metadata to extract sender, subject, attachment names, and file sizes
- Action: Post a Slack notification to the relevant channel (e.g., #finance, #legal) with document details and a link to the email
Connectors Used: Gmail, Slack
Template
Slack Slash Command to Send a Gmail Email
Let any team member send a pre-approved Gmail email directly from Slack using a slash command — fast external communication without leaving Slack.
Steps:
- Trigger: User invokes a custom Slack slash command with recipient, subject, and message body as inputs
- Action: tray.ai validates the inputs and maps them to Gmail's send email API
- Action: Gmail sends the email and tray.ai posts a confirmation back to the Slack user or channel
Connectors Used: Slack, Gmail
Template
VIP Sender Gmail Alert — Direct Slack DM to Account Owner
When an email arrives from a predefined list of VIP senders or domains, send an immediate Slack DM to the assigned account owner so they can respond without delay.
Steps:
- Trigger: New email received in Gmail from a sender matching a VIP list or domain whitelist
- Action: Look up the account owner mapped to that sender or domain in a reference data store or spreadsheet
- Action: Send a Slack DM to the identified account owner with email subject, sender details, and a direct Gmail link
Connectors Used: Gmail, Slack
Template
Scheduled Gmail Inbox Digest Posted to Slack
On a recurring schedule, compile all unread or labeled emails from Gmail into a structured digest and post it as a Slack message — no constant inbox checking required.
Steps:
- Trigger: Scheduled time-based trigger (e.g., every morning at 8AM or every Monday)
- Action: Query Gmail for unread emails or emails matching a specific label within the time window
- Action: Format the results into a structured digest and post it to a specified Slack channel or DM
Connectors Used: Gmail, Slack
Template
New Inbound Lead Email to Slack Sales Channel
Route inbound sales inquiry emails from a designated Gmail address to a Slack sales channel in real time, so the team never misses a new lead and can assign ownership immediately.
Steps:
- Trigger: New email arrives in a designated Gmail inbox (e.g., sales@company.com)
- Action: Extract sender name, email, subject, and body snippet from the email
- Action: Post a structured Slack message to the #sales or #leads channel with lead details and a prompt for team members to claim it
Connectors Used: Gmail, Slack