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Mailboxlayer integration for Claude and Codex

Create a Mailboxlayer connection, then control which Spaces can use its approved tools and data without pasting credentials into prompts or threads.

Use Mailboxlayer from Claude

Add the Mailboxlayer connection to a Space that runs Claude, then use it from every channel in that Space.

Use Mailboxlayer from Codex

Add the Mailboxlayer connection to a Space that runs Codex, then use it from every channel in that Space.

Use Mailboxlayer from Sidekick

Connect your own OpenClaw to Sidekick while type.com provides the conversations, permissions, connections, skills, and automations.

Email & Messaging

What the Mailboxlayer connector can do

Mailboxlayer validates a single email address against syntax, MX records, and SMTP mailbox checks, returning quality flags a team can act on before sending. A support or marketing Space in type.com can ask the agent to check whether an address entered on a form is real before it gets added to a mailing list, catching typos and fake addresses as part of the normal signup conversation.

One connection, many Spaces

Connect Mailboxlayer once, then decide which Spaces can use it in threads, skills, automations, and coding work.

What teams do with Mailboxlayer in type.com

Catch a typo before adding a contact

Check an email address entered on a form before it goes into the CRM, catching obvious typos before a bounce happens.

Try asking
Check this email address with Mailboxlayer before I add it to the contact list.

Validate addresses from a support ticket

Confirm an email address a customer provided is valid before using it for account recovery or confirmation.

Try asking
Validate this customer's email with Mailboxlayer before we send the account recovery link.

Screen a lead before outreach

Check a newly scraped lead's email for validity before a rep spends time drafting a personalized message to it.

Try asking
Check this lead's email with Mailboxlayer before I write them a cold email.

Representative actions

  • Check Email Validity

    Validates a single email address, checking syntax, domain, SMTP, and other quality flags.

Connection

API and auth details

mailboxlayer provides a REST JSON API for email validation and verification. Integrations can check syntax, MX records, SMTP mailbox existence, catch-all behavior, disposable/free provider classification, quality scores, and deliverability-related fields using an access key query parameter.

FAQ

Questions people ask before connecting Mailboxlayer

Can Claude validate emails with Mailboxlayer?

Yes. With a Mailboxlayer connection shared to a Space, the agent can check a single email address for syntax, domain, and SMTP validity, right from a thread.

How does type.com authenticate with Mailboxlayer?

Mailboxlayer uses an API key, passed as an access key. An admin adds it once when creating the connection.

Can Mailboxlayer checks run automatically on new signups?

Yes. A type.com automation can validate new signup emails with Mailboxlayer on a schedule and flag invalid ones to a channel.

Is this the same as a Mailboxlayer MCP server?

Not exactly. type.com uses connectors and connections to give selected Spaces access to approved app tools and data. Some connectors use hosted MCP, while others use OAuth, API keys, service accounts, or custom APIs.

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