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    Simply Send
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    SMTP relay

    Keep your tools.
    Give email a
    better connection.

    Connect SMTP-compatible applications to Simply Send for transactional sending.

    Explore Paid plansSMTP setup guide

    SMTP requires an eligible Paid subscription and account activation.

    WordPress
    Supabase
    Your application
    SMTP Configuration
    Host
    From your portal
    Port
    587
    Transport
    STARTTLS
    Credential
    Website notifications
    ↓Transactional email
    via Simply Send
    Illustrative configuration

    Why SMTP with Simply Send

    A familiar protocol.
    A connection you can manage.

    Use compatible applications

    Connect any application that supports SMTP, including your CMS, website, or custom app.

    Label credentials by purpose

    Create separate credentials for different applications or environments so it’s easy to keep things organized.

    Inspect the resulting email events

    See the email events generated from your SMTP connection in Simply Send, so you can confirm what’s being sent.

    SMTP CredentialsIllustrative preview
    WebsiteWebsite notificationsUsername••••••••a1b2
    Production appProduction environmentUsername••••••••c3d4
    Test environmentStaging and testingUsername••••••••e5f6

    Stay organized

    Know which application
    owns each credential.

    Label and organize your SMTP credentials for different applications or environments, such as your website, production app, or test environment. Use clear names so it’s easy to see what each credential is used for.

    Integrations

    Connect the platforms
    already in your stack.

    WordPressConnect via a compatible SMTP plugin to send transactional emails from your WordPress site.SupabaseUse the authentication SMTP connection to send transactional emails from your Supabase project.

    Get started

    Set up SMTP in three simple steps.

    1. 1

      Check eligibility

      Ensure you have an eligible Paid subscription and your account is activated.

    2. 2

      Copy portal settings

      Get the SMTP host, port, transport, and the credential you’ll use.

    3. 3

      Test the complete flow

      Send a test email from your application and inspect the resulting email events in Simply Send.

    Frequently asked questions

    Can I use SMTP on Free?

    No. SMTP requires an eligible Paid subscription and account activation.

    Is SMTP for marketing campaigns?

    No. SMTP is intended for transactional emails, such as website notifications or application emails. Use the campaign tools for marketing.

    Your next connection
    starts with the right settings.

    Follow our step-by-step guide to set up SMTP and start sending.

    Read the SMTP guide