Send a referral thank-you postcard
Thank people for opening doors while the introduction is fresh.
Trigger
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Action
Send Postcard
Tool to send a postcard via u.s. mail with specified recipient, sender, and front/back images. use after confirming recipient addresses and design urls. example: send postcard(to name='john doe', ..., front image='https://...', back image='https://...')
Why this helps
Referral gratitude is easy to postpone until it feels awkward.
- Responds quickly to referrals
- Builds goodwill with a tangible gesture
- Keeps referral context attached to the action
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Docupost once in Notis.
- 2Create an automation named DM referral postcard.
- 3Tell Notis to identify referral messages, confirm recipient and sender addresses, and send the approved front and back postcard images.
- 4Pick Direct Message Received as the trigger.
- 5Choose a report channel and test with one referral DM.
Questions about this workflow
Can it distinguish referrals from casual introductions?
Yes. Describe the referral signals and any messages to exclude.
What if I need a different design by audience?
Include your design rules and approved image URLs in the instruction.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Docupost. A trigger fires from one place; an action lands in another.
Slackbot triggers
Docupost actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Send Letter
Tool to send a letter via u.s. mail with specified recipient, sender, and pdf. use after confirming recipient and document details. example: send letter(to name='john doe', to address='123 main st, ...', file url='https://...')
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Send Postcard
Tool to send a postcard via u.s. mail with specified recipient, sender, and front/back images. use after confirming recipient addresses and design urls. example: send postcard(to name='john doe', ..., front image='https://...', back image='https://...')
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.
Slackbot and Docupost, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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