Verify an email from a Slack reaction
A consistent reaction can mean 'check this address.' Notis sends the email in the message to Findymail for verification.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Verify Email
Tool to verify the deliverability of an email address. use when you need to confirm that an email can receive messages before outreach.
Why this helps
Small follow-up checks are easy to forget when they rely on someone remembering to open another tool.
- Makes a lightweight review signal actionable.
- Checks deliverability before a contact moves forward.
- Reduces the need to track verification as a separate mental task.
Setup
Build it in a few focused steps.
- 1Connect Slack and Findymail to Notis once through the portal.
- 2Create an automation in the portal or ask Notis for it in plain language.
- 3Tell Notis to verify the email address in a reacted-to message when the chosen reaction is added.
- 4Pick the Slack reaction-added trigger, select a channel for run reports, and specify the reaction in your instruction.
- 5Test by reacting to one real message containing an email address.
Questions about this workflow
Can I use any reaction?
Describe the reaction you want Notis to treat as the signal. The Slack trigger supports filtering by channel and emoji name.
Does the reaction send outreach?
No. The Findymail action verifies the email address only.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Findymail. A trigger fires from one place; an action lands in another.
Slack triggers
Findymail actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Create Contact List
Tool to create a new contact list. use when you need to organize contacts into a named list before adding them.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Delete Contact List
Tool to delete a specified contact list by its id. use after confirming the list id to remove it.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Find Email by Name
Tool to find someone's email using their full name and company domain. use when you have a person's name and domain and need their email address. supports asynchronous search via webhook url.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Get Contact Lists
Tool to retrieve all contact lists. use when you need an overview of your existing findymail lists.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
List Contacts
Tool to retrieve contacts from a specified list (paginated). use after selecting a list to fetch its contacts.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Verify Email
Tool to verify the deliverability of an email address. use when you need to confirm that an email can receive messages before outreach.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slack and Findymail, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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