# Graph Report - .  (2026-08-12)

## Corpus Check
- 130 files · ~65,011 words
- Verdict: corpus is large enough that graph structure adds value.

## Summary
- 1025 nodes · 2084 edges · 69 communities (57 shown, 12 thin omitted)
- Extraction: 79% EXTRACTED · 21% INFERRED · 0% AMBIGUOUS · INFERRED: 434 edges (avg confidence: 0.8)
- Token cost: 88,541 input · 0 output

## Community Hubs (Navigation)
- Domain Access Web Requests
- Admin User & Session Management
- IMAP Fetch/Append Protocol Types
- Dashboard & Login Tests
- Admin Web UI Add-Forms
- Spam/DKIM Verification & Attachments
- Mailbox App Passwords & Schema
- DKIM Web Routes & Tests
- DKIM Key Management
- Admin Session Auth Middleware
- Webmail Session Auth Middleware
- Mailbox Alias SMTP Tests
- Mailbox CRUD Queries
- Dashboard Web UI
- Email Log Persistence
- Mailboxes Web UI Handlers
- Admin Dashboard & Deployment Docs
- TLS Cert & Mailstore Master Key
- Mailbox Rules/Lists/Sessions Queries
- Mailbox App Password Auth
- Mailbox Message Storage Queries
- Sender/Domain/IP Lookup Queries
- SPF Heuristic Tests
- DKIM Key CRUD
- Domain CRUD
- Sender CRUD
- Outbound Relay Delivery
- Mailbox Allow/Block List
- IP Whitelist CRUD
- Config Loading & Settings
- Mailbox Session/WebAuthn Queries
- Toolbox Logger & Utilities
- Mailbox Alias Queries
- DKIM Key Queries
- SMTP Server Listeners
- Auth/Custom Header Models
- Logger Levels
- SMTP Backend & Session
- Relay Email Logging
- Filter Rule Evaluation
- List/Edit Web UI Pages
- Login & MFA Setup Pages
- Webmail Auth Handlers
- Domain DKIM/Sender Counts
- SMTP Management JS
- Login Server Middleware
- Mailstore Quota Status
- DKIM Management JS
- Logs & Message Viewer Pages
- Deployment Scripts
- Error Page
- Server Settings Page
- Project Root

## God Nodes (most connected - your core abstractions)
1. `setFlash()` - 66 edges
2. `newTestApp()` - 35 edges
3. `parseTime()` - 34 edges
4. `HashPassword()` - 33 edges
5. `Session` - 26 edges
6. `DB` - 25 edges
7. `startTestServer()` - 23 edges
8. `Base Layout Template` - 23 edges
9. `requireDomainAccess()` - 22 edges
10. `writeJSON()` - 21 edges

## Surprising Connections (you probably didn't know these)
- `main()` --calls--> `Load()`  [INFERRED]
  main.go → internal/config/config.go
- `main()` --calls--> `AbsoluteSQLitePath()`  [INFERRED]
  main.go → internal/config/config.go
- `main()` --calls--> `Open()`  [INFERRED]
  main.go → internal/db/schema.go
- `main()` --calls--> `LoadOrCreateMasterKey()`  [INFERRED]
  main.go → internal/mailstore/mailstore.go
- `main()` --calls--> `ResolveBanner()`  [INFERRED]
  main.go → internal/smtpserver/server.go

## Import Cycles
- None detected.

## Hyperedges (group relationships)
- **Optional MFA / Second-Factor Setup Flow** — readme_admin_dashboard_login, internal_webui_templates_account_account_settings_page, internal_webui_templates_account_totp_mfa_section, internal_webui_templates_account_passkey_management [INFERRED 0.85]
- **Delegated Admin Management CRUD Flow** — internal_webui_templates_admins_manage_admins_page, internal_webui_templates_add_admin_add_admin_page, internal_webui_templates_edit_admin_edit_admin_access_page [INFERRED 0.85]
- **Domain DNS / DKIM / SPF Verification Workflow** — internal_webui_templates_dkim_dkim_key_management_page, internal_webui_templates_domains_domain_management_page, internal_webui_templates_add_domain_add_domain_page [INFERRED 0.80]
- **IP Whitelist Management Flow** — internal_webui_templates_ips_ips_list_page, internal_webui_templates_edit_ip_edit_ip_whitelist_page, internal_webui_templates_sidebar_email_sidebar_navigation [INFERRED 0.80]
- **Multi-Factor Authentication Flow** — internal_webui_templates_login_login_page, internal_webui_templates_login_mfa_login_mfa_page, internal_webui_templates_totp_setup_totp_setup_page [INFERRED 0.80]
- **Sender Management Flow** — internal_webui_templates_senders_senders_list_page, internal_webui_templates_edit_sender_edit_sender_page, internal_webui_templates_sidebar_email_sidebar_navigation [INFERRED 0.80]
- **Mailbox Management Flow (Aliases, App Passwords, Lists, Rules)** — internal_webui_templates_mailboxes_mailboxes_list_page, internal_webui_templates_edit_mailbox_edit_mailbox_page, internal_webui_templates_mailbox_aliases_aliases_page, internal_webui_templates_mailbox_apppasswords_app_passwords_page, internal_webui_templates_mailbox_lists_allow_block_list_page, internal_webui_templates_mailbox_rules_filter_rules_page [INFERRED 0.85]
- **Self-Service Webmail Login-to-Account Flow** — internal_webui_templates_webmail_login_login_page, internal_webui_templates_webmail_login_mfa_mfa_verification_page, internal_webui_templates_webmail_totp_setup_totp_setup_page, internal_webui_templates_webmail_account_account_dashboard_page [INFERRED 0.85]
- **Admin Base Layout Template System** — internal_webui_templates_base_base_layout, internal_webui_templates_dashboard_dashboard_page, internal_webui_templates_mailboxes_mailboxes_list_page, internal_webui_templates_add_mailbox_add_mailbox_page, internal_webui_templates_edit_mailbox_edit_mailbox_page, internal_webui_templates_mailbox_aliases_aliases_page, internal_webui_templates_mailbox_apppasswords_app_passwords_page, internal_webui_templates_mailbox_lists_allow_block_list_page, internal_webui_templates_mailbox_rules_filter_rules_page, internal_webui_templates_sidebar_email_sidebar_navigation [INFERRED 0.85]

## Communities (69 total, 12 thin omitted)

### Community 0 - "Domain Access Web Requests"
Cohesion: 0.06
Nodes (39): Request, requireDomainAccess(), scopeFromContext(), domainRemovedMessage(), Request, ResponseWriter, App, isValidDomainName() (+31 more)

### Community 1 - "Admin User & Session Management"
Cohesion: 0.05
Nodes (22): AdminSession, AdminUser, WebAuthnCredential, Time, DB, Duration, Row, newSessionToken() (+14 more)

### Community 2 - "IMAP Fetch/Append Protocol Types"
Cohesion: 0.06
Nodes (40): AppendData, AppendOptions, CopyData, Envelope, ExpungeWriter, FetchOptions, FetchResponseWriter, FetchWriter (+32 more)

### Community 3 - "Dashboard & Login Tests"
Cohesion: 0.10
Nodes (50): HashPassword(), T, TestDashboardShowsMailboxNearQuota(), T, TestLoginRequiresTOTPWhenEnabled(), TestLoginSuccessWithoutMFA(), TestLoginWrongPasswordRejected(), createMailboxFor() (+42 more)

### Community 4 - "Admin Web UI Add-Forms"
Cohesion: 0.06
Nodes (54): Add Admin Page, Add Domain Page, Add IP Whitelist Page, Add Mailbox Form, Add Mailbox Page, Add Sender Page, Manage Admins Page, Base Layout Template (+46 more)

### Community 5 - "Spam/DKIM Verification & Attachments"
Cohesion: 0.06
Nodes (37): VerifyInbound(), CheckRspamd(), CheckDNSBL(), SpamScore(), attachmentStoragePath(), cleanMessageIDPrefix(), Time, parseMessage() (+29 more)

### Community 6 - "Mailbox App Passwords & Schema"
Cohesion: 0.07
Nodes (38): GreetingData, GenerateAppPassword(), DB, DB, migrateAddedColumns(), Open(), Client, T (+30 more)

### Community 7 - "DKIM Web Routes & Tests"
Cohesion: 0.11
Nodes (24): Request, ResponseWriter, App, isAjax(), writeJSON(), T, TestIsValidDomainName(), TestVerificationRecordNameAndValue() (+16 more)

### Community 8 - "DKIM Key Management"
Cohesion: 0.07
Nodes (29): DNSRecord, Manager, FuncMap, encodeKeyPair(), GenerateSelector(), DB, New(), rawBase64FromPEM() (+21 more)

### Community 9 - "Admin Session Auth Middleware"
Cohesion: 0.11
Nodes (22): clearSessionCookie(), ResponseWriter, setSessionCookie(), clearPendingMFACookie(), Request, ResponseWriter, App, isStrongPassword() (+14 more)

### Community 10 - "Webmail Session Auth Middleware"
Cohesion: 0.12
Nodes (19): clearMailboxSessionCookie(), ResponseWriter, setMailboxSessionCookie(), clearMailboxPendingMFACookie(), Request, ResponseWriter, App, pendingMailboxMFAID() (+11 more)

### Community 11 - "Mailbox Alias SMTP Tests"
Cohesion: 0.16
Nodes (30): createAlias(), Backend, T, TestLocalDeliveryToAliasLandsInOwningMailbox(), TestMailboxAppPasswordCannotSendAsReceiveOnlyAlias(), TestMailboxAppPasswordCanSendAsEnabledAlias(), TestMailboxAppPasswordCanSendAsPrimaryButNotArbitraryAddress(), Backend (+22 more)

### Community 12 - "Mailbox CRUD Queries"
Cohesion: 0.11
Nodes (6): Mailbox, MailboxWithDomain, DB, Row, scanMailbox(), Store

### Community 13 - "Dashboard Web UI"
Cohesion: 0.16
Nodes (13): authLogDomain(), emailDomain(), emailOrBareDomain(), Request, ResponseWriter, App, Request, ResponseWriter (+5 more)

### Community 14 - "Email Log Persistence"
Cohesion: 0.15
Nodes (8): EmailAttachment, EmailLog, EmailRecipientLog, DB, Row, scanEmailLog(), DB, App

### Community 15 - "Mailboxes Web UI Handlers"
Cohesion: 0.29
Nodes (5): Request, ResponseWriter, App, parseQuotaGB(), localPartOf()

### Community 16 - "Admin Dashboard & Deployment Docs"
Cohesion: 0.13
Nodes (16): Account Settings Page, Passkey / WebAuthn Management, TOTP MFA Section, Admin Dashboard Login, LICENSE, mailgoserver (Go Binary), nginx Reverse Proxy Setup, pymta-smtp.service (+8 more)

### Community 17 - "TLS Cert & Mailstore Master Key"
Cohesion: 0.16
Nodes (12): CreateOptions, LoadOrCreateMasterKey(), CreateSSLContext(), GenerateSelfSignedCert(), Config, EnsureFolderExists(), GetLogger(), absPath() (+4 more)

### Community 18 - "Mailbox Rules/Lists/Sessions Queries"
Cohesion: 0.19
Nodes (7): MailboxAllowBlockEntry, MailboxAppPassword, MailboxFilterRule, MailboxSession, MailboxWebAuthnCredential, DB, Time

### Community 19 - "Mailbox App Password Auth"
Cohesion: 0.18
Nodes (4): DB, CheckPassword(), Server, Session

### Community 20 - "Mailbox Message Storage Queries"
Cohesion: 0.21
Nodes (5): MailboxMessage, DB, Time, Time, parseTime()

### Community 21 - "Sender/Domain/IP Lookup Queries"
Cohesion: 0.22
Nodes (6): Domain, DB, WhitelistedIP, Row, WhitelistedIP, scanDomain()

### Community 22 - "SPF Heuristic Tests"
Cohesion: 0.31
Nodes (11): T, TestEvalSPF(), TestSpamScoreArithmetic(), CheckSPF(), domainOf(), evalSPF(), lookupSPFRecord(), matchA() (+3 more)

### Community 23 - "DKIM Key CRUD"
Cohesion: 0.23
Nodes (3): DKIMKeyWithDomain, DB, scanDKIMKeysWithDomain()

### Community 25 - "Sender CRUD"
Cohesion: 0.18
Nodes (3): Sender, SenderWithDomain, DB

### Community 26 - "Outbound Relay Delivery"
Cohesion: 0.29
Nodes (8): domainOf(), DB, Duration, File, Relay, New(), prepareEmailForRecipient(), Result

### Community 27 - "Mailbox Allow/Block List"
Cohesion: 0.24
Nodes (4): DB, matchesAllowBlock(), domainPart(), equalFold()

### Community 28 - "IP Whitelist CRUD"
Cohesion: 0.20
Nodes (3): WhitelistedIPWithDomain, DB, WhitelistedIP

### Community 29 - "Config Loading & Settings"
Cohesion: 0.27
Nodes (8): defaultKV, AbsoluteSQLitePath(), GenerateSettingsIni(), File, Load(), T, TestAbsoluteSQLitePath(), TestGenerateAndLoadRoundTrip()

### Community 30 - "Mailbox Session/WebAuthn Queries"
Cohesion: 0.20
Nodes (3): DB, Duration, newMailboxSessionToken()

### Community 31 - "Toolbox Logger & Utilities"
Cohesion: 0.31
Nodes (7): Configure(), GenerateMessageID(), GetCurrentTime(), File, Time, parseLevel(), Level

### Community 33 - "DKIM Key Queries"
Cohesion: 0.43
Nodes (4): DKIMKey, DB, Row, scanDKIMKey()

### Community 34 - "SMTP Server Listeners"
Cohesion: 0.32
Nodes (7): Backend, Config, File, Server, NewPlainServer(), NewTLSServer(), ResolveBanner()

### Community 35 - "Auth/Custom Header Models"
Cohesion: 0.43
Nodes (4): AuthLog, CustomHeader, WhitelistedIP, Time

### Community 37 - "SMTP Backend & Session"
Cohesion: 0.33
Nodes (4): Backend, DB, Session, Store

### Community 38 - "Relay Email Logging"
Cohesion: 0.33
Nodes (4): File, Relay, overallStatus(), peerIP

### Community 39 - "Filter Rule Evaluation"
Cohesion: 0.50
Nodes (3): Store, matchCondition(), FilterAction

### Community 40 - "List/Edit Web UI Pages"
Cohesion: 0.50
Nodes (5): Edit IP Whitelist Entry Page, Edit Sender Page, Client-side IP Detection (ifconfig.me), Whitelisted IPs List Page, Senders List Page

### Community 41 - "Login & MFA Setup Pages"
Cohesion: 0.40
Nodes (5): First Login / Set Up Account Page, Login Page, Login MFA Verification Page, Passkey/WebAuthn Login Flow, TOTP Authenticator Setup Page

### Community 42 - "Webmail Auth Handlers"
Cohesion: 0.50
Nodes (3): Handler, Request, App

### Community 44 - "SMTP Management JS"
Cohesion: 0.50
Nodes (3): DNSVerification, FormValidation, SMTPManagement

## Knowledge Gaps
- **47 isolated node(s):** `mailgoserver`, `defaultKV`, `WhitelistedIP`, `Store`, `Store` (+42 more)
  These have ≤1 connection - possible missing edges or undocumented components.
- **12 thin communities (<3 nodes) omitted from report** — run `graphify query` to explore isolated nodes.

## Suggested Questions
_Questions this graph is uniquely positioned to answer:_

- **Why does `HashPassword()` connect `Dashboard & Login Tests` to `Domain Access Web Requests`, `Admin User & Session Management`, `Mailbox App Passwords & Schema`, `Admin Session Auth Middleware`, `Mailbox Alias SMTP Tests`, `Mailboxes Web UI Handlers`, `Mailbox Allow/Block List`?**
  _High betweenness centrality (0.224) - this node is a cross-community bridge._
- **Why does `parseTime()` connect `Mailbox Message Storage Queries` to `Mailbox Alias Queries`, `Admin User & Session Management`, `DKIM Key Queries`, `Auth/Custom Header Models`, `Mailbox CRUD Queries`, `Email Log Persistence`, `Mailbox Rules/Lists/Sessions Queries`, `Mailbox App Password Auth`, `Sender/Domain/IP Lookup Queries`, `DKIM Key CRUD`, `Domain CRUD`, `Sender CRUD`, `Mailbox Allow/Block List`, `IP Whitelist CRUD`?**
  _High betweenness centrality (0.186) - this node is a cross-community bridge._
- **Why does `Mailbox` connect `Mailbox CRUD Queries` to `Domain Access Web Requests`, `IMAP Fetch/Append Protocol Types`, `Dashboard & Login Tests`, `Spam/DKIM Verification & Attachments`, `Webmail Auth Handlers`, `Webmail Session Auth Middleware`, `Mailboxes Web UI Handlers`, `Mailbox Rules/Lists/Sessions Queries`, `Mailbox App Password Auth`?**
  _High betweenness centrality (0.151) - this node is a cross-community bridge._
- **Are the 64 inferred relationships involving `setFlash()` (e.g. with `.addAdmin()` and `.addAlias()`) actually correct?**
  _`setFlash()` has 64 INFERRED edges - model-reasoned connections that need verification._
- **Are the 29 inferred relationships involving `newTestApp()` (e.g. with `TestDashboardShowsMailboxNearQuota()` and `TestLoginRequiresTOTPWhenEnabled()`) actually correct?**
  _`newTestApp()` has 29 INFERRED edges - model-reasoned connections that need verification._
- **Are the 29 inferred relationships involving `parseTime()` (e.g. with `.GetAliasByEmail()` and `.GetAttachmentByID()`) actually correct?**
  _`parseTime()` has 29 INFERRED edges - model-reasoned connections that need verification._
- **Are the 32 inferred relationships involving `HashPassword()` (e.g. with `.SeedDefaultAdminIfEmpty()` and `newTestMailboxWithAppPassword()`) actually correct?**
  _`HashPassword()` has 32 INFERRED edges - model-reasoned connections that need verification._