Validate emails when a Slack message is approved
Let a simple reaction start the verification step without another handoff.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Email Validation
Tool to validate whether an email address is real and deliverable. use after collecting an email address to confirm deliverability.
Why this helps
Teams react to promising leads but still leave the actual email check for later.
- Turn team intent into an immediate check
- Avoid validating every message unnecessarily
- Keep the approval signal and result together
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Abstract once in Notis.
- 2Create an automation for reaction based email validation.
- 3Tell Notis to read the reacted message, find its email address, and validate it.
- 4Pick Message Reaction Added as the trigger and choose a report destination.
- 5Test by reacting to one message that contains an email.
Questions about this workflow
Can the workflow filter by emoji?
The Slack reaction trigger supports optional channel and emoji filtering in the connected trigger configuration.
What if the reacted message has multiple emails?
Tell Notis to validate each address and summarize the results separately.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Abstract. A trigger fires from one place; an action lands in another.
Slackbot triggers
Abstract actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Validate IBAN
Tool to validate the format and country code of an iban number. use after collecting an iban to ensure it is correctly formatted.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Email reputation
Tool to enrich an email address with reputation and risk scoring data. use when you need to assess an address's deliverability and risk before outreach. use after confirming your api key is valid.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Email Validation
Tool to validate whether an email address is real and deliverable. use after collecting an email address to confirm deliverability.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
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.
Slackbot and Abstract, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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