> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abusix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Guardian Mail

> Abusix Guardian Mail is a suite of curated DNSRBLs designed to protect inbound and outbound mail servers. Guardian Mail provides the most accurate, comprehensive, and innovative blocklists on the internet.

<CardGroup cols={2}>
  <Card title="Getting started with Guardian Mail" icon="file-lines" horizontal="true" href="/docs/guardian-mail/getting-started/" />

  <Card title="Configuring Mail Servers" icon="file-lines" horizontal="true" href="/docs/guardian-mail/mail-server/overview" />

  <Card title="Delisting Overview" icon="file-lines" horizontal="true" href="/docs/guardian-mail/delisting-overview/" />

  <Card title="Delisting FAQ" icon="file-lines" horizontal="true" href="/docs/guardian-mail/delisting-faq/" />

  <Card title="Blocklist FAQ" icon="file-lines" horizontal="true" href="/docs/guardian-mail/blocklist-faq/" />

  <Card title="Blocklist Check Providers" icon="file-lines" horizontal="true" href="/docs/guardian-mail/blocklist-check-providers/" />

  <Card title="Beta Zones" icon="file-lines" horizontal="true" href="/docs/guardian-mail/beta-zones/" />

  <Card title="Return Codes" icon="file-lines" horizontal="true" href="/docs/guardian-mail/return-codes/" />

  <Card title="Production Zones" icon="file-lines" horizontal="true" href="/docs/guardian-mail/production-zones/" />

  <Card title="Using Rsync and rbldnsd" icon="file-lines" horizontal="true" href="/docs/guardian-mail/Usingrsync/" />

  <Card title="Executing dig, host, and nslookup queries" icon="file-lines" horizontal="true" href="/docs/guardian-mail/executing-dig-host-nslookup/" />

  <Card title="Comparison Tool" icon="file-lines" horizontal="true" href="/docs/guardian-mail/comparison-tool/" />
</CardGroup>