How do I connect Mails.so?

Sign up for Conductor Deck, then add a Mails.so step to a workflow on the visual canvas. The builder walks you through the connection it needs — an account authorization or the required keys — right inside the step. No separate setup or code.

Yes — Conductor Deck has a free tier you can build and run workflows on, with no credit card required. Paid plans raise the monthly run limits and add advanced features when you need them.

What's the difference between a trigger and an action?

A trigger is the event that starts a workflow — for example, a Stream Deck button press or an incoming event from a connected app. An action is a step the workflow performs once it runs. A workflow is one trigger followed by one or more actions.

Mails.so + Stream Deck

email · developer-tools · 0 triggers · 3 actions

Mails is an API service that provides powerful email validation capabilities to help maintain a clean and effective email list. Add Mails.so to your Stream Deck workflows with guided setup for the connection details it needs.

Build a Mails.so workflow — free See how it works

No code
Free tier
One Stream Deck press
Pairs with OBS & Elgato tools
OAuth & keys handled in-builder

Popular ways to use Mails.so

Add Mails.so to a workflow and pair it with a Stream Deck button to run it in one press — handy for email tasks. Combine it with OBS, your Elgato tools, or any other app you connect to build a routine that fits how you work.

Browse all templates

Triggers & actions

Steps your workflow can perform in Mails.so.

Retrieve Batch Results

Tool to retrieve results of a bulk validation job. Use after submitting a batch and you have its ID.

Validate Bulk Emails

Tool to validate multiple email addresses in bulk. Use when you need to confirm deliverability of a list of emails at once.

Validate Single Email

Tool to validate a single email address. Use when you need to check deliverability and quality details before sending an email.

About Mails.so

Mails is an API service that provides powerful email validation capabilities to help maintain a clean and effective email list.

emaildeveloper-tools

How to connect

Sign up for free

Create your Conductor Deck account: no credit card required.

Connect Mails.so

Follow the setup prompts for Mails.so. Conductor Deck handles the app authorization or required connection details inside the workflow builder.

Build a workflow

Add a Mails.so action to your visual workflow canvas. Configure the options you need, then connect it to other steps.

Assign to Stream Deck

Sync your workflow to any Stream Deck button. Press once to trigger the entire sequence.

Frequently asked questions

How do I connect Mails.so?: Sign up for Conductor Deck, then add a Mails.so step to a workflow on the visual canvas. The builder walks you through the connection it needs — an account authorization or the required keys — right inside the step. No separate setup or code.
Is it free?: Yes — Conductor Deck has a free tier you can build and run workflows on, with no credit card required. Paid plans raise the monthly run limits and add advanced features when you need them.
What's the difference between a trigger and an action?: A trigger is the event that starts a workflow — for example, a Stream Deck button press or an incoming event from a connected app. An action is a step the workflow performs once it runs. A workflow is one trigger followed by one or more actions.

Automate Mails.so with your Stream Deck

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