# Email Authentication & Sending Structure

- [Sending Infrastructure Best Practices](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/sending-infrastructure-best-practices.md): Understand how to choose the right email sending domain, structure your IPs and why domain consistency is key for an optimal deliverability.
- [Email Authentication (SPF, DKIM, DMARC & BIMI)](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/email-authentication-spf-dkim-dmarc-and-bimi.md): Know more on Batch default setup for SPF, DKIM, DMARC, MX and BIMI.
- [Sending Subdomain Setup & Troubleshooting](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/sending-subdomain-setup-and-troubleshooting.md)
- [Sending Subdomain Architecture](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/sending-subdomain-setup-and-troubleshooting/sending-subdomain-architecture.md): Learn how to segment your email traffic across multiple subdomains  to isolate risk and optimize your sender reputation.
- [Setting Up a Sending Subdomain](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/sending-subdomain-setup-and-troubleshooting/setting-up-a-sending-subdomain.md): Get to know how to set up a new sending subdomain with Batch to send your first emails.
- [Troubleshooting Email Authentication Issues](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/sending-subdomain-setup-and-troubleshooting/troubleshooting-email-authentication-issues.md): You will find here all the information you need to troubleshoot issues with SPF, DKIM and DMARC.
- [Tracking Subdomain Setup & Troubleshooting](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/tracking-subdomain-setup-and-troubleshooting.md)
- [Email Click Tracking Explained](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/tracking-subdomain-setup-and-troubleshooting/email-click-tracking-explained.md): Discover how tracking links are generated uniquely for each recipient and how clicks are intercepted, counted, and redirected through proxy servers.
- [Setting Up a Click Tracking Subdomain](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/tracking-subdomain-setup-and-troubleshooting/setting-up-a-click-tracking-subdomain.md): Get to know how to set up a new click tracking subdomain with Batch to use your own domain in tracking links.
- [Sending IP Configuration and Selection](/guides-and-best-practices/email-deliverability/email-authentication-and-sending-structure/sending-ip-configuration-and-selection.md): Overview of sending IP configurations, including shared and dedicated IPs, and their impact on sender reputation and deliverability.