Validate Slack channel emails automatically
Turn every shared contact address into a quick deliverability check.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
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
Email addresses get copied into lists before anyone confirms they work.
- Catch malformed or undeliverable addresses early
- Keep validation results near the original conversation
- Reduce manual copy and paste
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Abstract once in Notis.
- 2Create an automation named for Slack email validation.
- 3Tell Notis to validate each email found in new channel messages and summarize the result.
- 4Pick Channel Message Received as the trigger and choose a report channel.
- 5Test with one real channel message containing an email address.
Questions about this workflow
Does this check direct messages?
No. This workflow uses Slack Channel Message Received, which covers channel messages and excludes direct messages.
What happens when a message has no email address?
Notis can report that no email was found and take no Abstract action.
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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No card. Works with personal or business Abstract.