01
Inbox triage
- Read incoming threads
- Classify by intent + urgency
- Draft replies for review
Mails.so
3 tools available
Mails is an API service that provides powerful email validation capabilities to help maintain a clean and effective email list.
Connect Mails.so to Definable to triage inboxes, draft and queue follow-ups, classify and route incoming threads. Personas call Mails.so's 3 tools directly from chat or scheduled flows. Hand off to an email persona to triage, draft, and route — with you in the loop on every outbound.
Common workflows with Mails.so
02
Auto-follow-up
- Detect emails awaiting reply for 3+ days
- Draft contextual nudges
- Queue for one-click send
03
Lead capture
- Listen for inbound from a form alias
- Extract details
- Push to the CRM
Mails.so actions 3
Every Mails.so action below is a callable tool any Definable persona can invoke.
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.
Agent Mail
AgentMail provides AI agents with their own email inboxes, enabling them to send, receive, and act upon emails for communication with services, people, and other agents.
Bouncer
Bouncer is an email verification and validation service that helps ensure email deliverability by verifying email addresses through real-time and batch processing APIs.
Campaign Cleaner
Campaign Cleaner is a tool designed to optimize email campaigns by ensuring compatibility across email clients, improving deliverability, and enhancing overall performance.
Clearout
Clearout offers AI-powered email validation, email finder, and prospecting services to enhance email deliverability and lead generation.
ClickSend
ClickSend is a cloud-based SMS and email marketing platform that enables businesses to send and receive SMS messages, manage contacts, and track campaign performance.
Emailable
Emailable provides an email verification API that allows developers to integrate real-time email validation into their applications, ensuring the accuracy and deliverability of email addresses.
Frequently asked questions
What can I automate with Mails.so on Definable?
Anything Mails.so exposes through its API. Common email workflows on Definable include triage inboxes, draft and queue follow-ups, classify and route incoming threads. Personas can call any of the 3 Mails.so tools directly, then chain the result into another integration without you writing code.
How does Mails.so authentication work?
Mails.so uses API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.
Is the Mails.so integration included in my Definable plan?
Yes — every Definable plan, including Starter, includes access to all 3 Mails.so tools. You only need a separate Mails.so subscription if Mails.so itself charges per seat or per API call.
Is using Mails.so through Definable secure?
Every call from a persona to Mails.so is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.
How do I get started with Mails.so on Definable?
Sign up for Definable, open the integrations page, find Mails.so, and connect via OAuth or API key. You can immediately attach Mails.so to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.
What Mails.so actions does Definable expose?
Definable exposes all 3 Mails.so actions as callable tools — including `Retrieve Batch Results`, `Validate Bulk Emails`, `Validate Single Email`. Each tool gets a typed parameter schema so personas know exactly how to call it.
Ready to automate with Mails.so?
Wire it up in minutes. No coding required.