Follow up with webinar leads more confidently
A quick check helps your team spend follow-up time on addresses that can receive email.
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
After a webinar, lead lists and follow-up deadlines compete for attention, and address cleanup can slip.
- Catch questionable lead addresses before follow-up.
- Keep lead coordination near the team's discussion.
- Reduce cleanup after the event.
Setup
Build it in a few focused steps.
- 1Connect Slack and Emaillistverify once in the portal.
- 2Create the automation in the portal or ask Notis conversationally.
- 3Tell Notis in one instruction to verify a webinar lead email explicitly shared for follow-up in Slack.
- 4Choose Channel Message Received and set the place for run reports.
- 5Test with one real lead email from a webinar.
Questions about this workflow
Does it send a campaign?
No. It verifies one address and can report the result.
How do I avoid checking unrelated emails?
Describe webinar lead context and the explicit follow-up intent in your prompt.
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.