Keep waitlist outreach on track
Check a flagged waitlist address before launch communications begin competing for attention.
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
Waitlist cleanup is easy to defer until launch day, when there is little time to investigate delivery problems.
- Surface address issues before a launch communication.
- Keep list hygiene within the product discussion.
- Reduce last-minute cleanup.
Setup
Build it in a few focused steps.
- 1Connect Slack and Emaillistverify once through the portal.
- 2Create an automation in the portal or ask Notis conversationally.
- 3Use one instruction to ask Notis to verify waitlist emails explicitly shared for an announcement or invite in Slack.
- 4Select Channel Message Received and choose the report channel.
- 5Test with one real waitlist address.
Questions about this workflow
Will it email the waitlist?
No. The selected action verifies one email address.
Can it skip other addresses?
State in your prompt that Notis should act only on waitlist addresses flagged for launch use.
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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