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Give approved list setup a simple Slack signal

When a list decision is made in Slack, a consistent reaction can cue Notis to create it in Emailoctopus and report back.

Trigger

Message Reaction Added

Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.

Action

Create List

This tool creates a new mailing list in emailoctopus. it allows users to create a new list where contacts can be added and managed.

Why this helps

Decisions are easy to record but easy to leave unfinished when list setup requires a separate tool switch.

  • Connects an approval signal to the list setup action.
  • Makes the decision easier to act on without reopening the thread.
  • Requires the message to explain the list purpose.

Setup

Build it in a few focused steps.

  • 1Connect Slack and Emailoctopus to Notis once in the portal.
  • 2Ask Notis to create an Emailoctopus list from a Slack message marked with your chosen approval reaction.
  • 3Write one plain-language prompt requiring a clear list approval and enough context to name the list.
  • 4Select the message reaction added trigger and pick where Notis reports runs.
  • 5Test by reacting to one genuine approved list request and checking Emailoctopus.

Questions about this workflow

Does any message with the reaction create a list?

The instruction should require an explicit approval to create a list and usable naming context in the message.

Can I use a reaction as the approval itself?

Use it as an internal cue on a message that records the decision and list purpose.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Slack to Emailoctopus. A trigger fires from one place; an action lands in another.

Slack triggers

Emailoctopus actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Create Contact

This tool creates a new contact in emailoctopus. the tool will add a contact to a specified list with the provided information.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Create List

This tool creates a new mailing list in emailoctopus. it allows users to create a new list where contacts can be added and managed.

ActionInstant

New Channel Created Trigger

Triggered when a new channel is created in Slack.

TriggerInstant

Delete Contact

This tool allows you to delete a contact from a specified list in emailoctopus. it uses the delete /api/1.6/lists/{list id}/contacts/{contact id} endpoint to permanently remove the contact from the list. this action is irreversible and is essential for list management and data privacy compliance.

ActionInstant

Channel Message Received

Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.

TriggerInstant

Delete List

This tool allows you to delete an existing mailing list from your emailoctopus account. once a list is deleted, it cannot be recovered, and all contacts within the list will be permanently removed. note: lists can only be deleted if no contacts within the list have received an email in the last 7 days.

ActionInstant

Direct Message Received

Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.

TriggerInstant

Get All Lists

This tool retrieves all the mailing lists associated with the emailoctopus account.

ActionInstant

Message Reaction Added

Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Get Recent Campaigns

This tool retrieves a list of recent campaigns from the emailoctopus account. it uses the get endpoint at https://emailoctopus.com/api/1.6/campaigns and allows filtering by parameters like limit and page.

ActionInstant

Message Reaction Removed

Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Unsubscribe Contact

This tool unsubscribes a contact from an emailoctopus list. it takes an email address as input, retrieves the contact's details using the find contact functionality, and unsubscribes the contact from the associated list.

ActionInstant

Reaction Added Trigger

DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.

TriggerInstant

Connect any two apps with Notis in the middle.

Slack and Emailoctopus, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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