[MarkNLD]

Campaign Builder guide

New sidebar group Campaign Builder, after "Sending with the API":

Page	Covers
campaigns/index	What it is, the five steps, separate marketing infrastructure, where things are in the dashboard
campaigns/contacts-and-lists	CSV import rules, custom fields, contact status vs list status, unsubscribe/remove/delete, advanced search and Save as new list
campaigns/templates	Template catalog (start campaigns and new templates from it), Simple vs Advanced editor, importing MJML/HTML
campaigns/create	Sender, lists, subject and preview, personalization with defaults, the unsubscribe link
campaigns/test-and-send	Test sends and their limits, the issues list, schedule/unschedule, the list and content review, statuses, daily limit
campaigns/reports	The numbers and how rates are counted, per-list deliverability, bounce reasons, export and webhooks
campaigns/api-and-automation	Typical automations, API scopes, CLI command groups, MCP Marketer preset

Moved into the group with redirects: deliverability/marketing-limit → campaigns/marketing-limit, deliverability/unsubscribe → campaigns/unsubscribe. All internal links updated.

Sending type made clearer

• /domains: new Sending Type section with a table, and the rule in one place: Campaign Builder campaigns always use the marketing infrastructure and need no setting; marketing mail sent through the API or SMTP must come from a marketing domain.
• /deliverability: one paragraph with the same rule under "Which sending type should my domain use".
• Homepage card "Marketing Domains" now points at /domains#sending-type.

Also

• Facts: test send limit (5 addresses, 50 per day) and import limits (100 MB CSV, 1,000 contacts per API request).
• Glossary: campaign, campaign template, contact, list, sending type, daily marketing limit, review.

Checks

• scripts/docs_lint.py rules pass (descriptions 120–160, titles unique, navigation complete).
• mint broken-links: no broken links.
• Please confirm two dashboard details I could not verify from the API: that custom fields are managed from the Contacts page (overview table), and that the campaign page shows a preview that steps through real contacts (create page, Personalization).

Later commits on this branch

• One home per topic: /domains#sending-type for the setting, campaigns/unsubscribe for API/SMTP unsubscribe rules including building your own endpoint; /deliverability keeps short pointers; no circular links.
• Guide checked against the October changelog: text_unchecked, sends refused on the spot, catch-all addresses in list checks, Email Address CSV column and Mailchimp files, Save as new list from plain and advanced search, Send Campaign on a list page, View email button. "Simple Editor" and "Advanced Editor" casing throughout.
• Roadmap, October update: Recently shipped gets MCP server, Transactional Templates, SMTP on port 465 and zero-day retention for sub accounts (7); Active is one infrastructure card; Planned (34) follows the internal Fibery roadmap order, with the permissions cards merged, Whitelabel DNS for Pro, the Email Address Validation API endpoint, a Retry delivery card, and Whitelabel dashboard on your own domain added.