How do I connect LobsterMail?

Add the LobsterMail piece to a flow, then authenticate with API key. Once connected, its 5 triggers and 10 actions are available anywhere in the builder.

What can I automate with LobsterMail?

"New Email Received" can start a flow that runs "Create Inbox", and you can chain LobsterMail together with any of 760+ other apps and AI steps in between.

Can I self-host the LobsterMail integration?

Yes. Activepieces is fully self-hostable, so you can run the LobsterMail piece on your own infrastructure with your connections and your data staying in your environment.

Can my AI agent use LobsterMail as a tool?

Yes. Every piece you connect can be exposed over one Activepieces MCP server, so Claude, Cursor, Windsurf or any MCP client can call LobsterMail actions as tools.

LobsterMail integration

Email infrastructure for AI agents — create inboxes, send and receive email, search, threads, and webhooks.

Start building Use LobsterMail with your AI

Actions: 10
Triggers: 5
Auth: API key
License: MIT, open source
Updated: September 2026

About the LobsterMail integration

Add the LobsterMail piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine LobsterMail with 760+ other apps in the same flow.

Triggers

Start a flow the moment something happens in LobsterMail

Each trigger below can start a flow on its own, either instantly or on a schedule.

New Email Received
Triggers instantly when a new email is received in an inbox.
1 field
New Email Thread
Triggers when a brand-new conversation (thread) is started in an inbox.
1 field
Thread Reply Received
Triggers when someone replies to an existing email thread. Useful for follow-up and support automation.
1 field
Email Bounced
Triggers when an outbound email fails to deliver. Use this to update CRM records, retry with a different address, or alert your team.
1 field
Email Sent
Triggers when an outbound email is successfully delivered. Use for audit logs, CRM updates, or confirming delivery.
1 field

Actions

Everything Activepieces can do in LobsterMail

Drop any of these into a flow and fill in the fields. No code is required.

Create Inbox
Create a new email inbox on LobsterMail.
3 fields
Get Inbox
Get details for a single inbox including its address, status, and settings.
1 field
Delete Inbox
Permanently delete an inbox and release its address. This action cannot be undone.
1 field
List Inboxes
List all email inboxes on the account.
Send Email
Send an email from one of your LobsterMail inboxes. Requires a verified account (Tier 1+).
8 fields
List Emails
List emails in a specific inbox.
4 fields
Get Email
Get a single email with full body content.
2 fields
Search Emails
Search emails across inboxes using full-text search and optional filters. Rate limited to 30 requests/minute.
6 fields
Get Account
Get account details including subscription tier, usage, and sending limits.
Custom API Call
Make a custom API call to a specific endpoint
10 fields

Use LobsterMail in a flow

Connect LobsterMail once and every trigger and action above is yours to drop into the builder, alongside 760+ other apps. Free to start, on our cloud or your own servers.

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LobsterMail, answered.

Yes. Activepieces is open source and free to start, and the LobsterMail piece is included on every plan, from the free cloud tier to any self-hosted deployment.