Smtp2go
transactional email 32 tools availableSMTP2GO is a reliable email delivery service that ensures your emails reach recipients' inboxes efficiently.
About this integration
Connect Smtp2go to Definable to automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas call Smtp2go's 32 tools directly from chat or scheduled flows. You can wire it into any persona to read, write, and react when an event fires.
Connect Smtp2go to Definable and it becomes a set of typed tools your agents plan with — triggered by events, run on schedules, or invoked mid-conversation. Every write is checked by the verifier before it lands.
Smtp2go · in workflows
What teams actually run.
Three patterns teams run with Smtp2go on day one. Each one is a plain-English prompt — no canvas, no glue code — and you can remix them into anything.
Daily summary
Cross-tool sync
32 tools available
The Smtp2go toolbox.
Every Smtp2go capability your agents can call, each with a typed schema the planner reads. The router picks the right tool per step; the verifier checks the result.
Search Email Activity Tool to search activity events like sends, opens, clicks, and bounces. Use when you need to filter account email activity by date, event, recipient, or message ID.
Add Allowed Sender Tool to add a new allowed sender email address. Use when you need to whitelist a sender before sending email. Example: Add "[email protected]" to allowed senders list.
Remove Allowed Sender Tool to remove a sender email address from the allowed senders list. Use when you need to revoke send permissions for a validated address.
Update Allowed Senders Tool to update (replace) the entire allowed senders list in your SMTP2GO account. This action overwrites the current list with the provided email addresses and domain names. Use when you need to set or update who can send emails through your account. Example: 'Update allowed senders to include [email protected] and [email protected] in whitelist mode.'
View Allowed Senders Tool to view the list of allowed senders configured in your account. Use after setting up SMTP2GO authentication to retrieve your allowed-senders list. Example: 'Show me all verified allowed senders.'
Add Sender Domain Tool to add a new sender domain for SPF/DKIM verification. Use when you need to register a domain and optionally set tracking/return-path subdomains.
Search SMTP2GO Emails Tool to search sent emails. Use when filtering your SMTP2GO account's email activity by criteria like date, sender, or recipient. Call after authentication.
Add IP Allow List Tool to add a public IP address to your account's IP allow list. Use when you need to whitelist specific sending sources by IP after confirming accuracy. Note: Only plain IP addresses are supported (no CIDR notation). Private/reserved IP ranges are rejected.
Remove IP from Allow List Tool to remove an IP address from your account's IP allow list. Use after identifying the IP you wish to revoke.
View IP Allow List Tool to view the list of IP addresses in your IP allow list. Use after confirming your SMTP2GO API key is set.
View Received SMS Tool to retrieve received SMS replies for your SMTP2GO account. Use when you need to fetch incoming SMS messages for analysis or display. Pagination supported via limit and offset.
Get Email Bounces Stats Tool to retrieve email bounces statistics. Use after sending emails to analyze bounce metrics over a time period.
Email Cycle Statistics Tool to retrieve current email cycle/quota statistics. Use when you need to check the account's monthly email allowance, usage, and remaining quota for the current billing cycle.
Email History Statistics Tool to retrieve email history statistics. Use when you need detailed delivery metrics within a date range.
Email Spam Statistics Tool to retrieve email spam report statistics. Use when analyzing spam trends for sent emails.
Email Unsubscription Stats Tool to retrieve email unsubscribe statistics. Use when you need unsubscribe data for your account over a date range.
Search Subaccounts Tool to search subaccounts. Use after authenticating to filter and paginate your subaccounts by name, email, or status.
Subaccounts Usage Tool to retrieve usage statistics for subaccounts. Use when you need to monitor per-subaccount email usage.
Add to Suppression List Tool to add email addresses or domains to the suppression list. Use when you need to block sending emails to specific recipients or entire domains after unsubscribes or bounces.
Remove suppression entry Tool to remove an email address or domain from the suppression list. Use when you want to resume sending to the address or domain.
View Suppression List Tool to view the suppression list. Use when you need to inspect suppressed email addresses in your account.
Edit Email Template Tool to edit details of an existing email template. Use when you need to update template properties after confirming its ID.
Search Email Templates Tool to search your collection of email templates by ID or name. Use when you need to find templates matching specific criteria after authentication.
View Email Template Tool to view details of a specific email template. Use after you have the template ID to inspect.
Add SMTP User Tool to add a new SMTP user. Use when you need to provision a fresh SMTP credential after collecting username and password.
Edit SMTP User Tool to edit details of an existing SMTP user. Use when you need to update username, password, sender restrictions, or enable/disable a user after confirming the target username.
Remove SMTP User Tool to remove an SMTP user from your account. Use when you need to revoke SMTP access for a user.
View SMTP Users Tool to list all SMTP users configured on your account. Use when you need to retrieve SMTP user configurations.
Add Webhook Tool to create a new webhook. Use when you need real-time notifications of email or SMS events.
Edit Webhook Tool to edit an existing webhook’s settings. Use when you need to update a webhook's configuration after creation.
Remove webhook Tool to remove a webhook. Use when you want to delete a webhook by its ID from your SMTP2GO account.
View Webhooks Tool to view all webhooks configured in your account. Use when you need to inspect existing webhook configurations after setup.
See it run
One prompt, start to finish.
A real prompt, the Smtp2go tools it calls, and what comes back. This is the whole interface — describe the outcome, agents handle the rest.
Run a real Smtp2go task end-to-end — plan it, execute across the API, and hand back a verified result.
smtp2go.search_email_activity Tool to search activity events like sends, opens, clicks, and bounces. Use when you need t smtp2go.add_allowed_sender Tool to add a new allowed sender email address. Use when you need to whitelist a sender be smtp2go.remove_allowed_sender Tool to remove a sender email address from the allowed senders list. Use when you need to · verified Done. Smtp2go responded across 3 calls, the verifier signed off, and the result is logged with every payload.
Pairs well with Smtp2go
Connect Smtp2go to your stack with Workflow
AI-native automation between Smtp2go and 77+ other tools — built, run, and self-healed by Workflow.
FAQ · Smtp2go
Questions, answered.
What teams ask before connecting Smtp2go.
01 What can I automate with Smtp2go on Definable?
Anything Smtp2go exposes through its API. Common transactional email workflows on Definable include automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas can call any of the 32 Smtp2go tools directly, then chain the result into another integration without you writing code.
02 How does Smtp2go authentication work?
Smtp2go 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.
03 Is the Smtp2go integration included in my Definable plan?
Yes — every Definable plan, including Starter, includes access to all 32 Smtp2go tools. You only need a separate Smtp2go subscription if Smtp2go itself charges per seat or per API call.
04 Is using Smtp2go through Definable secure?
Every call from a persona to Smtp2go 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.
05 How do I get started with Smtp2go on Definable?
Sign up for Definable, open the integrations page, find Smtp2go, and connect via OAuth or API key. You can immediately attach Smtp2go to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.
06 What Smtp2go actions does Definable expose?
Definable exposes all 32 Smtp2go actions as callable tools — including `Search Email Activity`, `Add Allowed Sender`, `Remove Allowed Sender`, plus 29 more. Each tool gets a typed parameter schema so personas know exactly how to call it.
Put Smtp2go to work tonight.
Connect in two clicks, describe an outcome, and your first workflow is live in minutes. Free plan included — no card required.