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Smtp2go

Transactional email delivery service for sends, allowed senders, suppression lists, activity events, and SMTP credentials.

Suited to transactional email teams that whitelist senders, search delivery activity by event type, and clean up suppression and allow lists.

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Example Use Cases

These are example ways Snow can use Smtp2go when building apps with you. This list is meant to show examples, not document every possible capability. Connecting an account does not make Snow run these automatically on its own.

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 "user@example.com" to allowed senders list.

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.

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.

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.

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.

Add Webhook

Tool to create a new webhook. Use when you need real-time notifications of email or SMS events.

Edit Email Template

Tool to edit details of an existing email template. Use when you need to update template properties after confirming its ID.

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.

Edit Webhook

Tool to edit an existing webhook’s settings. Use when you need to update a webhook's configuration after creation.

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.