Integrate Mailtrap with Mailsac to automate workflows, sync data between apps, and eliminate repetitive tasks with AI-powered automation.
Delete a Contact from Mailtrap when New Email Received in Mailsac
Update Contact in Mailtrap when New Email Received in Mailsac
Retrieve Test Email from Mailtrap when New Email Received in Mailsac
Get Sandbox Email HTML Body from Mailtrap Sandbox when New Email Received in Mailsac
Check Test Email Spam Score with Mailtrap when New Email Received in Mailsac
Start from a real workflow other teams are already running.
Mailtrap
When this happens...
New Email Delivered
New Email Opened
New Email Recieved
When a contact unsubscribes
Mailsac
Automatically do this!
Delete Email Message
Move Message to Folder
Set Message Read/Unread
Star Message
Add Label To Message
Remove Label From Message
Create/Update Address
List All Email Attachments
Delete a Contact from Mailtrap when New Email Received in Mailsac
Use this flowUpdate Contact in Mailtrap when New Email Received in Mailsac
Use this flowRetrieve Test Email from Mailtrap when New Email Received in Mailsac
Use this flowGet Sandbox Email HTML Body from Mailtrap Sandbox when New Email Received in Mailsac
Use this flowCheck Test Email Spam Score with Mailtrap when New Email Received in Mailsac
Use this flowForward Test Email via Mailtrap when New Email Received in Mailsac
Use this flowMark Test Email as Read in Mailtrap when New Email Received in Mailsac
Use this flowList All Email Attachments from Mailsac when New Email Opened in Mailtrap
Use this flowDelete Email Message in Mailsac when When a contact unsubscribes from Mailtrap
Use this flowSet Message Read/Unread in Mailsac when When a contact unsubscribes from Mailtrap
Use this flowEverything you can automate between Mailtrap and Mailsac.
When this happensTriggers
A trigger is an event that starts a workflow.
Runs when new email is delivered to the recipient's mail server for a chosen sending stream or domain.
Runs when a new email open event occurs in the selected sending stream.
Runs when a new email arrives in a selected inbox.
Runs the workflow automatically whenever a contact unsubscribes from emails in the selected sending stream.
Triggers when a new email message is received in a specified inbox.
Action is the task that follows automatically within your Mailtrap integrations.
Allows you to get the list of your Lists and their IDs.
Creates a new contact.
Creates a new Contact Lists.
Delete existing Contact List.
Deletes Contact by his email.
Allows you to update Contact in Mailtrap

Follow a simple walkthrough to create, test, and launch your first automation.
Connect your apps
Link the apps you want to automate.
Configure your workflow
Set up triggers, actions, and map your data.
Test & publish
Test your workflow and publish it.
Recognized by leading review platforms and trusted by 10,000+ businesses worldwide.
Just describe the task in plain English. viaSocket AI selects the right apps, builds the workflow, maps the fields, and prepares everything for review before you publish.

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Mailtrap is an email delivery platform covering email sending (API/SMTP) bundled with inbound email, also featuring email testing (Sandbox), and Email Marketing. It's used by developer and product teams for transactional and bulk email delivery and offers reliable sending tools with built-in deliverability protection, including separation between transactional and bulk email, automatic authentication setup, and analytics insights broken down by mailbox provider.
Learn moreMailsac is a versatile email testing and disposable email service that allows developers and testers to receive and test emails without the need for a permanent email address. It is ideal for testing email workflows, verifying email functionalities, and ensuring that email communications are working as intended in applications.
Learn moreSign up for a free viaSocket account, then authorize both your Mailtrap and Mailsac accounts. From there, pick a trigger in one app and an action in the other. Your first workflow can be live in under five minutes.
Yes. viaSocket uses instant triggers where available, so data moves between Mailtrap and Mailsac as soon as the event happens. Scheduled polling triggers run at a maximum interval of 15 minutes.
Yes. You can map specific fields, apply filters to skip records that do not match your conditions, and transform values before they reach Mailsac. No coding required.
Yes. You can set up a workflow where Mailtrap triggers actions in Mailsac, and a separate workflow where Mailsac triggers actions in Mailtrap. Both run independently and in real time.
viaSocket logs every run so you can see exactly what succeeded and what failed. Failed tasks can be retried from the dashboard without re-configuring the workflow.
Yes, there is a free plan that covers basic workflows between Mailtrap and Mailsac. Paid plans unlock higher task limits, faster polling, and advanced features like multi-step workflows and conditional logic.
No. The entire Mailtrap and Mailsac integration is built through a visual, point-and-click interface. Code blocks are available if you want them, but they are never required.