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Found 7 Skills
Mailgun (Sinch) platform help — developer-first transactional email API and SMTP relay with inbound routing, webhooks, and Mailgun Optimize deliverability tools. Use when sending transactional email via Mailgun API or SMTP, configuring domains or DNS (DKIM/SPF), setting up inbound email routing, managing webhooks or templates, using Mailgun Optimize for inbox placement testing, or working with the Mailgun REST API. Do NOT use for general email deliverability strategy (use /sales-deliverability), cross-platform email marketing (use /sales-email-marketing), or email open/click tracking strategy (use /sales-email-tracking).
Checks email quality before sending via Mailgun Inspect API. Use when previewing emails across clients, checking accessibility (WCAG), validating links, validating images, or analyzing email HTML/CSS compatibility.
Sends, receives, and tracks email via the Mailgun (Sinch) API. Use when the user wants to send email, manage domains, configure webhooks, query email events/logs, manage templates, handle suppressions (bounces, unsubscribes, complaints), set up inbound routes, manage mailing lists, DKIM keys, or IP warmup using Mailgun.
Multi-provider email sending for Cloudflare Workers and Node.js applications. Build transactional email systems with Resend (React Email support), SendGrid (enterprise scale), Mailgun (developer webhooks), or SMTP2Go (reliable relay). Includes template patterns, webhook verification, attachment handling, and error recovery. Use when sending emails via API, handling bounces/complaints, or migrating between providers.
Transactional and triggered email delivery — order confirmations, password resets, welcome emails, receipts, shipping notifications, account alerts. Covers provider selection, template design, deliverability, API integration, SMTP relay, and monitoring across SendGrid, Postmark, Mailgun, Brevo, Braze, Iterable, Customer.io, Mailchimp/Mandrill, GetResponse (MAX only), and Amazon SES. Use when building transactional email flows, choosing a transactional email provider, debugging delivery issues for triggered emails, or setting up SMTP relay. Do NOT use for marketing email campaigns (use /sales-email-marketing), cold outbound sequences (use /sales-cadence), cross-platform deliverability strategy (use /sales-deliverability), or SendPulse-specific questions (use /sales-sendpulse). For platform-specific help, use /sales-braze, /sales-iterable, /sales-sendgrid, /sales-postmark, /sales-mailgun, /sales-brevo, /sales-customerio, /sales-mailchimp, /sales-getresponse, or /sales-sendpulse.
Configures Sinch API credentials and authentication. Use when setting up OAuth2, Basic auth, application signing, API keys, or SDK credentials for any Sinch product including Conversation API, Voice, Verification, Numbers, Fax, and Mailgun. Also use when troubleshooting 401 Unauthorized, 403 Forbidden, invalid signature, or credential errors against any Sinch API.
Multi-provider email sending for Cloudflare Workers and Node.js applications. Supports Resend, SendGrid, Mailgun, and SMTP2Go providers with unified API, template rendering, and delivery tracking.