Keep subscriber records easier to trust
A quick check on a flagged address can prevent avoidable list maintenance and confusing delivery results.
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
Verify Email
Tool to verify a single email address in real time. use when you need to confirm deliverability before e.g. user signup.
Why this helps
List issues often accumulate when busy teams add addresses first and plan to clean them up later.
- Check a flagged subscriber address before list updates.
- Catch potential delivery issues earlier.
- Keep list cleanup from becoming a forgotten batch task.
Setup
Build it in a few focused steps.
- 1Connect Slack and Emaillistverify once in the Notis portal.
- 2Create an automation in the portal or ask Notis to create it conversationally.
- 3Write one prompt asking Notis to verify subscriber emails shared for list review in the chosen Slack channel.
- 4Choose Channel Message Received as the trigger and select a channel for reports.
- 5Test with one real subscriber address.
Questions about this workflow
Does this clean an entire mailing list?
No. The available Emaillistverify actions validate one email at a time.
Can the team choose which addresses to check?
Yes. The prompt can limit checks to messages that clearly flag a subscriber address for review.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Emaillistverify. A trigger fires from one place; an action lands in another.
Slack triggers
Emaillistverify actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Verify Email
Tool to verify a single email address in real time. use when you need to confirm deliverability before e.g. user signup.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Verify Email Detailed
Tool to verify a single email address and return detailed validation information. use when you need deep validation insights beyond a simple status.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
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.
Slack and Emaillistverify, 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 Emaillistverify.