Documentation

Guides, references and best practices

Clear, focused docs for setting up sending, integrations, deliverability best practices and API usage. Use the search or browse categories to get started.

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Deliverability · 6 min read

Inbox warmup best practices

How to warm new domains safely, pacing recommendations and how to monitor reputation signals.

Deliverability · 7 min read

SPF, DKIM and DMARC guide

Configure DNS records for best inbox placement and troubleshoot common DNS issues.

Integrations · 4 min read

Gmail OAuth integration

Connect Google Workspace safely using OAuth scopes and delegated access patterns.

Integrations · 5 min read

Send via SMTP / IMAP

Legacy server setup and recommendations when OAuth is not available.

API · 3 min read

Webhook reference

Event payloads, retry behavior and recommended endpoint security.

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