# Email API/SMTP - [Overview](https://docs.mailtrap.io/email-api-smtp/overview.md): Overview of Mailtrap Email API and SMTP service: key features, use cases, and target audience. - [Setup & Configuration](https://docs.mailtrap.io/email-api-smtp/setup.md): Set up and configure Mailtrap email API and SMTP service and start sending emails in minutes. - [Sending Domain Setup](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain.md): Set up your sending domain in Mailtrap. Add DNS records, verify SPF/DKIM/DMARC, pass compliance, and start sending emails in minutes. - [AWS Route 53](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain/aws-route-53.md): Verify your Mailtrap sending domain in AWS Route 53. Add DNS records for DKIM/DMARC verification, pass compliance, and start sending emails. - [Cloudflare](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain/cloudflare.md): Verify your Mailtrap sending domain in Cloudflare. Add DNS records for DKIM/DMARC verification, pass compliance, and start sending emails. - [DigitalOcean](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain/digitalocean.md): Verify your Mailtrap sending domain in Digital Ocean. Add DNS records for DKIM/DMARC verification, pass compliance, and start sending emails. - [GoDaddy](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain/godaddy.md): Verify your Mailtrap sending domain in GoDaddy. Add DNS records for DKIM/DMARC verification, pass compliance, and start sending emails. - [Google Cloud DNS](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain/google-cloud-dns.md): Verify your Mailtrap sending domain in Google Cloud DNS. Add DNS records for DKIM/DMARC verification, pass compliance, and start sending emails. - [Namecheap](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain/namecheap.md): Verify your Mailtrap sending domain in Namecheap. Add DNS records for DKIM/DMARC verification, pass compliance, and start sending emails. - [Squarespace](https://docs.mailtrap.io/email-api-smtp/setup/sending-domain/squarespace.md) - [API Integration](https://docs.mailtrap.io/email-api-smtp/setup/api-integration.md): Integrate Mailtrap email API. Get API credentials, choose transactional or bulk sending, use SDKs or code samples, and start sending. - [API Tokens](https://docs.mailtrap.io/email-api-smtp/setup/api-tokens.md): Learn how to create, manage, and use API tokens for Email API/SMTP. - [SMTP Integration](https://docs.mailtrap.io/email-api-smtp/setup/smtp-integration.md): Integrate Mailtrap SMTP. Get SMTP credentials, choose transactional or bulk sending, use code samples, and start sending. - [Bulk Stream](https://docs.mailtrap.io/email-api-smtp/setup/bulk-stream.md): Integrate Mailtrap Bulk Stream via API or SMTP. Get credentials, use SDKs or code samples, and send promotional emails with built-in compliance features. - [Sending Limits](https://docs.mailtrap.io/email-api-smtp/setup/sending-limits.md): Learn Mailtrap email sending limits: hourly, daily, connection, and email size. Understand what happens when limits are reached and how to upgrade. - [Email Templates](https://docs.mailtrap.io/email-api-smtp/email-templates.md): Create and send Mailtrap email templates with drag-and-drop builder or HTML editor, add Handlebars variables, and integrate via API or SMTP. - [Editing and Customizing](https://docs.mailtrap.io/email-api-smtp/email-templates/editing-and-customizing.md): Learn how to edit and customize email templates using Details, Drag & Drop Editor, Code Editor, and test your templates. - [Handlebars Guide](https://docs.mailtrap.io/email-api-smtp/email-templates/handlebars.md): Complete guide to using Handlebars templating language with Mailtrap Email Templates, including syntax examples, helpers, and practical use cases. - [Integration](https://docs.mailtrap.io/email-api-smtp/email-templates/integration.md): Learn how to integrate Mailtrap email templates with Email API/SMTP using Transactional or Bulk streams. - [Debugging with Sandbox](https://docs.mailtrap.io/email-api-smtp/email-templates/debugging.md): Learn how to test and debug your email templates using Mailtrap Email Sandbox. - [Migrate templates](https://docs.mailtrap.io/email-api-smtp/email-templates/migrate-templates.md) - [Analytics & Reports](https://docs.mailtrap.io/email-api-smtp/analytics.md): Learn what statistics Mailtrap provides: Stats dashboard, Email logs, Email categories, Mailbox providers. - [Stats Dashboard](https://docs.mailtrap.io/email-api-smtp/analytics/dashboard.md): Understand Mailtrap stats dashboard: delivery, open, click, bounce, and spam rates. Learn about domain filtering, warning thresholds, and metric calculations. - [Email Logs](https://docs.mailtrap.io/email-api-smtp/analytics/logs.md): Understand Mailtrap email logs: search and filter sent emails by status, events, and provider. View event history, previews, HTML source, and spam analysis. - [Email Categories](https://docs.mailtrap.io/email-api-smtp/analytics/categories.md): Understand Mailtrap email categories: organize email types like welcome, onboarding, or billing. Track performance, analyze metrics, and compare categories. - [Mailbox Providers](https://docs.mailtrap.io/email-api-smtp/analytics/mailbox-providers.md): Analyze email performance by mailbox providers like Gmail, Outlook, and Yahoo. Filter by domain and category, track metrics, and identify deliverability issues. - [Statuses and Events](https://docs.mailtrap.io/email-api-smtp/analytics/statuses-and-events.md): Learn about Mailtrap statuses and events: delivery, bounces, opens, clicks, and opt-outs. Understand how statuses differ from events and track performance. - [Deliverability Features](https://docs.mailtrap.io/email-api-smtp/deliverability.md): Learn about email deliverability features and tools Mailtrap provides to guarantee high inbox placement rates of your emails. - [Suppressions List](https://docs.mailtrap.io/email-api-smtp/deliverability/suppressions-list.md): Manage Mailtrap suppression lists. View, add, remove, or import suppressed emails from hard bounces, unsubscribes, and spam complaints via CSV or manually. - [Dedicated IP](https://docs.mailtrap.io/email-api-smtp/deliverability/ip-warmup.md): Learn about Mailtrap IP warmup: shared vs dedicated IPs, automated IP warmup schedule, and gradual daily sending limits over 3 weeks. - [Bounce Categorization](https://docs.mailtrap.io/email-api-smtp/deliverability/bounce-categorization.md): Understand how Mailtrap categorizes email bounces based on MX server responses, including bounce types, descriptions, and automatic suppression rules. - [Feedback Loops](https://docs.mailtrap.io/email-api-smtp/deliverability/feedback-loops.md): Learn how Mailtrap integrates with popular Feedback Loops (FBLs) to track spam complaints from major mailbox providers including Outlook, Yahoo, and more. - [Deliverability Alerts](https://docs.mailtrap.io/email-api-smtp/deliverability/deliverability-alerts.md): Get weekly health status reports and critical alerts for your email deliverability metrics including opens, clicks, bounces, unsubscribes, and spam complaints. - [Protecting Your Domain](https://docs.mailtrap.io/email-api-smtp/deliverability/protecting-domain-security.md): Best practices to protect your sending domain from abuse, including securing web forms, implementing CAPTCHA, and hiding sensitive configuration files. - [Advanced Features](https://docs.mailtrap.io/email-api-smtp/advanced.md): Learn what features for advanced email sending scenarios Mailtrap Email API/SMTP provides. - [Custom Variables](https://docs.mailtrap.io/email-api-smtp/advanced/custom-variables.md): Add unique data to your emails with custom variables. Track user IDs, inbox IDs, and other metadata via Email Logs using X-MT-Custom-Variables header. - [Excluding Links from Tracking](https://docs.mailtrap.io/email-api-smtp/advanced/excluding-specific-links-from-tracking.md): Learn how to exclude specific links from tracking using the data-mt-no-track attribute to preserve app deeplinks and sensitive URLs. - [Auto BCC](https://docs.mailtrap.io/email-api-smtp/advanced/auto-bcc.md): Automatically add BCC recipients to all emails sent from your domain with custom headers support. - [Webhooks](https://docs.mailtrap.io/email-api-smtp/advanced/webhooks.md): Set up webhooks to receive real-time notifications about email deliverability events and account activities within your Mailtrap account. - [Static IPs for sending & webhooks](https://docs.mailtrap.io/email-api-smtp/advanced/static-ips-for-sending-and-webhooks.md) - [Mailtrap CLI app](https://docs.mailtrap.io/email-api-smtp/advanced/mailtrap-cli-app.md) - [Help & Support](https://docs.mailtrap.io/email-api-smtp/help.md): Get help with Email API/SMTP issues and find answers to common questions. - [Sending Glossary](https://docs.mailtrap.io/email-api-smtp/help/glossary.md): Definitions of key terms and phrases used in Mailtrap Email API/SMTP, including DNS records, email events, SMTP settings, and deliverability concepts. - [FAQs](https://docs.mailtrap.io/email-api-smtp/help/faqs.md): Frequently asked questions about Mailtrap Email API/SMTP. - [Troubleshooting](https://docs.mailtrap.io/email-api-smtp/help/troubleshooting.md): Common issues and solutions for Mailtrap Email API/SMTP. - [401 Unauthorized Error](https://docs.mailtrap.io/email-api-smtp/help/troubleshooting/unauthorized-401-error.md): How to fix "Unauthorised" (401) authentication errors in Mailtrap Email API/SMTP. - [Domain Not Allowed](https://docs.mailtrap.io/email-api-smtp/help/troubleshooting/sending-from-domain-not-allowed.md): How to fix "Sending from domain is not allowed" (550 5.7.1) error in Mailtrap Email API/SMTP. - [From Header Mismatch](https://docs.mailtrap.io/email-api-smtp/help/troubleshooting/from-header-domain-mismatch.md): How to fix "From: Header does not match the sender's domain" error in Mailtrap Email API/SMTP. - [Click Tracking Blocked – SSL Cipher Error](https://docs.mailtrap.io/email-api-smtp/help/troubleshooting/ssl-cipher-overlap-error.md): Received a 'Click tracking disabled - custom hostname blocked' alert? Read this article and learn how to fix SSL errors when using custom domains for click tracking in Mailtrap Email API/SMTP. - [Office 365 Quarantine](https://docs.mailtrap.io/email-api-smtp/help/troubleshooting/ms-office-365-quarantine.md): How to resolve your emails sent from Mailtrap Email API/SMTP being sent to Office 365 quarantine. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.mailtrap.io/email-api-smtp.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. 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