reloop-labs/reloop

v0.1.0

Reloop email infrastructure for agents: the Reloop MCP server, the docs MCP server, and the Reloop skill.

Changelog

All notable changes to Reloop are documented here. For the full interactive changelog with code samples and visuals, visit reloop.sh/changelog.

This file follows Keep a Changelog conventions. Releases are grouped chronologically.

[0.62.0] — 24 September 2026

DNSBL Fingerprinting, BIMI Dynamic Connectors & Domain Timeline

Integrated deep DNSBL and MX infrastructure fingerprinting for disposable email detection, dynamic SVG connector lines for BIMI records, domain verification status timelines, and the shared @reloop/dns-verification package.

Security

Multi-vector disposable detection combining real-time DNSBL lookups with MX infrastructure fingerprinting.
Automatic invalidation of recipient addresses missing MX mail server records.
Daily automated synchronization workflows against upstream disposable email catalogs.

Frontend

Redesigned domain detail view with interactive milestone verification timeline, hover timestamps, and DNS provider links.
Dynamic SVG connector lines linking BIMI DNS record pills with status indicators.
Inline authentication error alerts for suspended accounts across login, signup, and OTP verification flows.
Refined component borders and monochrome dark mode tokens across domain management views.

Backend

Extracted shared @reloop/dns-verification package for unified DNS and email authentication checks.
Direct email attachment download endpoints and plan-based attachment size gating.

[0.61.0] — 21 September 2026

Temporary Email Checker, Waste Calculator & Blueprint CAD Design

Launched the public Temp Email Checker with an interactive Waste Calculator, technical blueprint CAD artwork suite, single-source-of-truth pricing package, and comprehensive SEO improvements.

Tools

Public Temporary Email Checker with real-time scoring, clipboard paste triggers, and instant REST API integration snippets.
Interactive Waste Calculator estimating monthly and yearly budget lost to fake and disposable email signups.
Refreshed Email Validator tool with keyboard shortcuts, avatar gradients, and detailed MX record inspection.

Design

Technical SVG blueprint artwork suite with squircles and CAD intersection ticks (TempEmailTimerArt, BimiBlueprintArt, ValidatorArt).
Clean monochrome dark theme across tools interface with high-contrast badge indicators.
Custom gradient footer wordmark and blueprint section frames with Inter typography.

Infrastructure & SEO

Extracted all pricing schemas, tiers, and limits into single-source-of-truth @reloop/pricing with CI drift enforcement.
Fixed SMTP relay corruption of MIME boundaries that end with = character.
Supported running the self-hosted installer behind existing reverse proxies (Caddy, Traefik, Nginx).
Site-wide SEO audit with canonical URLs, structured JSON-LD schemas, automated sitemaps, and OpenGraph preview cards.
Increased free plan custom domain limit from 1 to 3 domains.

[0.60.0] — 16 September 2026

RFC 8058 One-Click Unsubscribe & Dedicated IP Management

Implemented RFC 8058 one-click unsubscribe compliance, dedicated sending IP pools with automated mailbox warmup schedules, tabular contact history, and abuse monitoring.

Deliverability

Standard RFC 8058 one-click unsubscribe headers (List-Unsubscribe / List-Unsubscribe-Post) and signed preference tokens.
Dedicated sending IP pool management with mailbox provider-specific warmup schedules (Google, Yahoo, Microsoft).
Over-quota bounce handling with mailbox_full suppression rules and KumoMTA bounce rewrite policies.
Outbound sender origin resolution in email logs and automated Slack alert notifications for suspicious traffic spikes.

Backend

Overhauled contact history view with tabular grid layouts, activity filtering (sent, opened, clicked, bounced), and 3D status badges.
Large contact list CSV exports backed by asynchronous S3 storage with 202 Accepted status responses.
Dedicated contact group detail pages with custom property management and navigation shortcuts.
Strict log sanitization ensuring OTP codes and DKIM private keys are never persisted in logs.
Configurable verification DNS resolver injection to eliminate timeout bottlenecks during high-throughput validation.

[0.59.0] — 9 September 2026

Polar Billing Integration, Pixel-Art Avatars & Editor Overlays

Shipped full Polar billing and subscription checkout workflows, deterministic 5x7 font glyph pixel-art avatars, interactive email editor overlays, and modernized pricing tables.

Billing

Polar billing integration: Complete checkout flows, subscription lifecycle management, dynamic usage tracking, and unified plan resolution.
Live email credit usage tracking against active plan allowances in organization settings.

Design

Custom 5x7 font glyph renderer embedding user initials into deterministic pixel-art avatars across the dashboard.
Redesigned pricing comparison matrix with sticky headers, plan column highlights, blueprint styling, and custom checkmark/cross SVGs.
Added FooterPixelStrip, FooterBlast, and dark-mode high contrast theme variables.

Frontend

Interactive email editor image overlays supporting inline image replacement, hyperlinking, and direct resizing.
Contextual floating text BubbleMenu powered by @floating-ui/react-dom with zero layout jitter.
Visual style override indicators with one-click reset to template defaults.
Updated homepage hero to "Email for React Developers" with interactive PixelBlast background styling.

[0.58.0] — 2 September 2026

Campaigns Creation Wizard, Public BIMI Checker & Editor V2

Introduced the multi-step Marketing Campaigns wizard, public BIMI and Domain Age verification tools, iframe-isolated email editing, and mobile navigation sheets.

Feature

Guided multi-step Campaign Creation Wizard covering Audience selection, Sender configuration, Content design, and Review.
Database persistence of campaign JSON editor document states with safe draft hydration and input sanitization.
Campaign status badges (CampaignStatusBadge) and header KPI summaries for draft and active campaigns.

Tools

Public BIMI Inspector verifying default._bimi records, DMARC alignment, and SVG Tiny PS logo specifications with multi-language SDK snippets.
Domain Age & Warmup Checker calculating domain registration age and sending readiness scores.
Upgraded Email Spam Words Scanner with expandable JSON responses and actionable copywriting suggestions.

Frontend

Scoped CSS rendering inside an isolated iframe for 100% email client preview fidelity.
Standardized editor inspector layout with flexible Lucide primitives, standardized row heights, and fixed control widths.
Added MobileSidebarSheet for smooth mobile dashboard navigation and redesigned user dropdown with expanded switcher.

[0.57.0] — 25 August 2026

Agent Inbox Compose Experience & Automated KumoMTA TLS

Enhanced AI email composing with live tone selection and undo-send countdowns, unified mailbox routing, automated KumoMTA Let's Encrypt TLS certificates, and the launch of the backend deliverability test suite.

Inbox

Configurable undo-send delay timer (EmailSentToast) with smooth progress indicator and animated navigation to sent logs.
AI prompt popover with tone selection (professional, casual, assertive, friendly) and heuristic subject line generation.
Migrated mailbox routing to URL search parameters (?folder=...) for instant, cache-friendly view switching.
Redesigned mailbox rail with modal-based creation flow and copy mailbox address shortcut.
Interactive onboarding banner with keyboard shortcuts, setup progress tracking, and domain verification steps.

Infrastructure

Automated Let's Encrypt TLS certificate provisioning with Traefik integration and multi-path ACME discovery in KumoMTA.
Outbound SMTP transport domain TLS cipher mode enforcement.
Production SMTP verification script (test-smtp-prod.ts) to validate relay handshakes.

Deliverability

Initial backend deliverability test suite with sub-addressing receiver architecture and S3 attachment retrieval.
Backend DNSBL lookup infrastructure with TXT record support and DNS query timeout handling.
Added LoadingDot matrix animations for asynchronous test operations.

[0.56.0] — 19 August 2026

Minimal Shipping Log UI & Homepage Refresh

Streamlined the homepage changelog timeline into a clean, minimal row layout with direct release links.

Design

Streamlined homepage changelog into a clean, minimal row layout with direct release navigation.
Calendar-to-arrow hover transitions for quick release discovery.
Standardized typography and spacing tokens across marketing sections.

[0.55.0] — 14 August 2026

Revamped Marketing & Email Analytics Scenes

Refactored preview stages across marketing emails, templates, and delivery analytics with theme-aware styling.

Design

Refactored preview scenes for Transactional, Marketing Emails, Templates, and Analytics.
Added theme-aware styling tokens and responsive layout scaling.
Standardized SceneHeader badges across all home sections.

[0.54.0] — 6 August 2026

Convictions Feature Cards with Micro-UIs

Redesigned feature overview cards with centered, compact micro-UI animations and live GitHub stars.

Design

Redesigned convictions value cards with centered, compact micro-UI animations.
Added live GitHub star counter badge with dynamic repository fetch.
Cleaned up inline icon alignment beside card titles.

[0.53.0] — 29 July 2026

Interactive Email System Preview Stage

Interactive tabs on the homepage for testing Transactional, Marketing, Templates, and Webhooks live.

Frontend

Interactive preview tabs for live testing of email delivery pipelines.
Dynamic simulated payload generation and transmission animation.

[0.52.0] — 21 July 2026

Language Explorer & Dynamic OpenGraph Engine

Interactive multi-language code tabs on the marketing site with automated branded OG preview images.

Frontend

Interactive multi-language code explorer for Node.js, Python, Go, PHP, Ruby, and Rust.
Automated dynamic OpenGraph image generation per page and release.

[0.51.0] — 13 July 2026

Credits & Billing Management System

Usage tracking, credit top-ups, and subscription tier management in settings (apps/backend/credits).

Backend

Built usage tracking, credit top-ups, and subscription tier management.
Organization billing history and downloadable invoice summaries.

[0.50.0] — 5 July 2026

Webhook Domain-Level Filtering

Configure webhook subscriptions to only listen to events originating from specific sending domains.

Backend

Domain-scoped webhook subscriptions to isolate production and staging traffic.
Selective delivery event filtering for granular integration endpoints.

[0.49.0] — 27 June 2026

OpenClaw Workflow Integration Guide

Step-by-step connector to route emails directly between Reloop inboxes and OpenClaw autonomous agents.

AI

Step-by-step connector for routing inbound messages to autonomous agents.
Automated agent reply dispatch using verified sender domains.

[0.48.0] — 19 June 2026

Mailing & Broadcast Infrastructure

Built the mailing service (apps/backend/mailing) to handle scheduled broadcast deliveries to contact lists.

Infrastructure

High-capacity mailing service handling scheduled broadcast deliveries.
Automated recipient batch chunking and suppression deduplication.

[0.47.0] — 11 June 2026

Standardized llms.txt and skill.md Public Endpoints

Added structured documentation endpoints so external AI assistants can discover Reloop capabilities.

AI

Standardized llms.txt and skill.md endpoints for AI agent discoverability.
Machine-readable API reference and usage guides.

[0.46.0] — 3 June 2026

Copy-Prompt Setup Guides for AI Coding Agents

One-click setup prompts for Cursor, Claude Code, and Windsurf to automatically configure Reloop integrations.

AI

One-click setup prompts for Cursor, Claude Code, and Windsurf.
Automatic SDK installation and environment variable configuration.

[0.45.0] — 30 May 2026

AI Email Template Generator

Generate production-ready React email templates directly from natural language prompts.

AI

Natural language prompt to clean React email templates.
Interactive visual preview and code refinement in the dashboard editor.

[0.44.0] — 22 May 2026

Automation Workflows Engine (Beta)

Event-driven workflow system (apps/backend/workflow) to trigger automated emails based on custom user events.

Backend

Event-driven workflow triggers based on custom application events.
Visual workflow node canvas and condition branching.

[0.43.0] — 14 May 2026

Agent Email Drafting & Review Workflow

Configurable review flow: agent drafts remain in a pending queue until approved by a team member.

AI

Human-in-the-loop review queue for AI-drafted responses.
One-click approval, inline editing, and automated dispatch.

[0.42.0] — 10 May 2026

Reloop MCP Server (reloop-agent-inbox)

Official Model Context Protocol server exposing send_email, read_inbox, and reply_to_email tools to Claude and AI agents.

AI

Model Context Protocol (MCP) server integration.
Tools exposed: send_email, read_inbox, get_thread, and reply_to_email.

[0.41.0] — 2 May 2026

Agent Email Inboxes

Dedicated mailboxes designed specifically for AI agents to autonomously receive, triage, and reply to messages.

AI

Dedicated mailboxes created for autonomous AI agents.
Full MIME body parsing and attachment extraction into structured JSON.

[0.40.0] — 24 April 2026

Activity & Security Audit Logs

Track team actions (key creation, domain updates, template changes) in organization settings.

Backend

Audit log table tracking all security-sensitive workspace actions.
Actor attribution, timestamping, and IP logging.

[0.39.0] — 21 April 2026

Team Management & Role-Based Permissions

Invite team members to your organization with Admin, Developer, and Viewer access control.

Frontend

Role-based access control with Admin, Developer, and Viewer tiers.
Team invitation links with expiration and status indicators.

[0.38.0] — 13 April 2026

Multi-Stage Dockerfile Optimizations

Optimized Docker builds across all backend services, cutting image sizes by over 60% and speeding up deploy times.

DevOps

Multi-stage Docker builds reducing production image sizes by 60%.
Optimized layer caching for faster CI/CD pipelines.

[0.37.0] — 9 April 2026

Independent GitHub Actions CI/CD for All 22 Services

Created separate CI/CD workflows (be-.yml, fe-.yml) so each backend service and frontend app builds independently.

DevOps

22 independent GitHub Actions workflows for microservices.
Parallel builds and isolated automated test suites.

[0.36.0] — 1 April 2026

Direct Email Reply from Dashboard

Reply to incoming threads directly from the dashboard inbox using verified custom domain addresses.

Frontend

Dashboard reply composer with markdown support.
Direct dispatch using verified custom domain senders.

[0.35.0] — 28 March 2026

Shared Inbox & Email Thread History

Built the Inbox dashboard to view incoming emails, complete conversation threads, and message history.

Frontend

Unified inbox view with searchable conversation threads.
Thread timeline displaying full back-and-forth email history.

[0.34.0] — 20 March 2026

Recipient Email Validation Package (@reloop/email-validation)

Created shared validation package checking email RFC syntax, disposable domains, and MX records.

Feature

RFC 5322 syntax validation and disposable domain filtering.
Real-time MX record lookups and domain health checks.

[0.33.0] — 12 March 2026

Deliverability Trend Charts & Custom Date Filters

Interactive line charts tracking delivery volume and engagement over 24h, 7d, 30d, and custom date ranges.

Design

Interactive delivery charts with 24h, 7d, and 30d presets.
Custom date range selector and hover tooltips with rate breakdowns.

[0.32.0] — 8 March 2026

Deliverability & Reputation Metrics Dashboard

Added the Metrics page with delivery rates, bounce rates, spam complaint rates, and health ratings.

Feature

Dedicated deliverability dashboard with health ratings.
Real-time tracking of bounce, complaint, and delivery rates.

[0.31.0] — 28 February 2026

Template Version History & Rollbacks

Track template revisions with visual side-by-side diffs and instant one-click rollback.

Feature

Template revision history with visual side-by-side diffs.
One-click version restore and rollback capability.

[0.30.0] — 20 February 2026

Template Test Send Modal

Send live preview emails with mock variable data directly from the template builder.

Frontend

Instant test sending with mock variable substitution.
Direct delivery verification in personal inbox.

[0.29.0] — 17 February 2026

Dynamic Variables & Handlebars Syntax

Added variable injection {{name}}, conditional blocks {{#if}}, and loops {{#each}}.

Feature

Handlebars dynamic templating support ({{name}}, {{#if}}, {{#each}}).
Real-time variable parsing and fallback default values.

[0.28.0] — 13 February 2026

Visual Email Template Designer

Added side-by-side code editor and responsive live preview canvas in the Templates dashboard.

Feature

Split-screen template editor with live responsive preview.
Dark/light canvas toggle and instant HTML rendering.

[0.27.0] — 5 February 2026

React Email Integration

Support for @react-email/components allowing developers to build transactional emails using React.

Frontend

Support for @react-email/components across transactional templates.
Automatic JSX-to-HTML rendering with inlined CSS.

[0.26.0] — 28 January 2026

Verified Code Samples for PHP, Ruby, and Rust

Added drop-in code samples and integration tests for PHP (Laravel), Ruby on Rails, and Rust.

Docs

Verified drop-in code snippets for PHP (Laravel), Ruby on Rails, and Rust.
Automated integration tests verifying payload delivery.

[0.25.0] — 24 January 2026

Official Go SDK (reloop-go)

Published idiomatic Go client library with zero-allocation JSON streaming and context cancellation.

Feature

Idiomatic Go client package published on GitHub.
Zero-allocation streaming and full Context support.

[0.24.0] — 16 January 2026

Official Python SDK (reloop-python)

Published Python client package supporting both sync and asyncio for FastAPI, Django, and Flask.

Feature

Published reloop-python package on PyPI.
Supports both synchronous and asyncio dispatch modes.

[0.23.0] — 8 January 2026

SDK Quickstart Snippets in Dashboard

Interactive copy-ready code snippets in Node.js, Python, Go, and cURL inside the API keys page.

Frontend

Interactive code snippet drawer inside API keys page.
Copy-ready code blocks in Node.js, Python, Go, and cURL.

[0.22.0] — 4 January 2026

Official Node.js & TypeScript SDK

Published @reloop/email on npm with full TypeScript definitions, auto-retry logic, and batch sending.

Feature

Published @reloop/email on npm.
Full TypeScript definitions, exponential backoff retries, and batch sending.

[0.21.0] — 17 December 2025

Shared UI Component Package (@reloop/ui)

Extracted buttons, modals, dropdowns, inputs, and icons into a centralized package used across all frontend apps.

Design

Extracted buttons, modals, dropdowns, and icons into @reloop/ui.
Standardized design tokens across web, dashboard, and docs.

[0.20.0] — 14 December 2025

Biome Linter & Fast Monorepo Tooling

Replaced legacy ESLint/Prettier with Biome across all apps and packages for sub-50ms formatting and lint checks.

DevOps

Replaced ESLint and Prettier with Biome across the entire monorepo.
Sub-50ms linting and formatting execution in CI/CD.

[0.19.0] — 6 December 2025

Webhook Retry Engine & Test Delivery Tool

Automatic exponential backoff retries for failed webhook deliveries and a Send Test Event tool in settings.

Feature

Exponential backoff retry schedule for unacknowledged webhooks.
One-click 'Send Test Event' modal in dashboard settings.

[0.18.0] — 2 December 2025

Real-Time Webhook Engine with Signature Verification

Deliver webhook events (delivered, opened, clicked, bounced) with cryptographic signature headers.

Backend

Dispatches real-time events: delivered, opened, clicked, bounced.
HMAC-SHA256 signature verification headers on every payload.

[0.17.0] — 24 November 2025

Attachment Upload & S3 Storage Service

Built dedicated upload microservice (apps/backend/upload) to store email attachments with presigned URLs.

Infrastructure

Dedicated upload service (apps/backend/upload) with S3 compatibility.
Presigned upload URLs and secure attachment stream delivery.

[0.16.0] — 16 November 2025

Inbound MIME Parser to Structured JSON

Incoming messages are automatically parsed from raw MIME into clean JSON (apps/backend/inbound).

Backend

Automatic MIME parser extracting text, HTML, and attachment buffers.
Converts complex multipart emails into structured JSON objects.

[0.15.0] — 12 November 2025

Inbound Email Ingestion via MX Routing

Configure MX records to receive incoming emails directly at your custom domain.

Infrastructure

MX record ingestion routing incoming emails to backend parsers.
Automated validation for custom domain MX configuration.

[0.14.0] — 4 November 2025

Subscription Topics & Preference Pages

Configurable subscription topics (Newsletter, Billing, Product Updates) for recipient preference management.

Feature

Configurable subscription topics (Newsletter, Billing, Product Updates).
Hosted preference center allowing recipients to manage topics.

[0.13.0] — 1 November 2025

Inngest Background Job & Event Bus Architecture

Integrated Inngest (packages/inngest) to handle delayed sends, batch processing, and async worker queues.

Infrastructure

Integrated Inngest (packages/inngest) for background job scheduling.
Handles delayed email sends, batch dispatches, and async queue workers.

[0.12.0] — 23 October 2025

Contact Groups & Filtered Lists

Organize contacts into static groups and saved filter lists (packages/db/src/schema/group.ts).

Feature

Static contact groups and saved filter views.
Targeted audience selection for scheduled broadcast messages.

[0.11.0] — 19 October 2025

Custom Contact Properties & Metadata

Define custom schema attributes and key-value metadata on contact profiles for targeted messaging.

Feature

Arbitrary key-value metadata schema for contact profiles.
Inject custom properties directly into dynamic email templates.

[0.10.0] — 11 October 2025

Bulk CSV Contact Import & Export

Upload contact lists from CSV files with column mapping and duplicate detection.

Frontend

CSV import flow with column mapping and duplicate detection.
One-click audience CSV export with custom property fields.

[0.9.0] — 7 October 2025

Contacts & Audience Management

Created audience models (packages/db/src/schema/contact.ts) and dashboard interface for managing subscribers.

Feature

Contact database schema (packages/db/src/schema/contact.ts).
Searchable audience directory with subscriber status filters.

[0.8.0] — 29 September 2025

Suppression List Management UI

Dashboard page to view, search, add, and remove suppressed email addresses.

Frontend

Dedicated dashboard table for searching suppressed addresses.
Manual suppression addition and removal with audit history.

[0.7.0] — 26 September 2025

Automated Suppression Service

Background suppression engine (apps/backend/spam) that automatically filters hard bounces and spam complaints.

Infrastructure

Automated suppression filtering (apps/backend/spam).
Protects sender reputation by suppressing hard bounces and spam complaints.

[0.6.0] — 18 September 2025

Raw MIME Header Viewer

Inspect raw message headers and SMTP transaction responses directly from the email log drawer.

Frontend

Raw MIME header inspector drawer in the dashboard.
Full SMTP server transaction logs and response codes.

[0.5.0] — 15 September 2025

Outbound Email Logs & Transmission Inspector

Added the Emails dashboard to inspect every sent message, delivery timestamp, recipient, and HTTP status.

Feature

Outbound email logs tracking transmission timestamps, recipients, and status.
Filter emails by status, date range, and recipient address.

[0.4.0] — 7 September 2025

Scoped API Keys & Environment Management

Generate environment-scoped API keys (rl_live_, rl_test_) with granular permissions and instant revocation.

Security

Environment-scoped API keys (rl_live_ and rl_test_).
Granular capability scopes and instant key revocation.

[0.3.0] — 4 September 2025

Migration to Drizzle ORM & PostgreSQL

Replaced raw SQL queries with type-safe Drizzle ORM schemas (packages/db) and automated migrations.

Infrastructure

Full database migration to Drizzle ORM schemas in packages/db.
Automated SQL migration generation and type-safe database queries.

[0.2.5] — 26 August 2025

DNS Record Status Badges & Quick Copy

Visual status chips (Verified / Pending) with one-click DNS record copying in the domain settings tab.

Frontend

Visual status chips (Verified / Pending) in domain settings.
One-click DNS record copying for faster domain setup.

[0.2.0] — 23 August 2025

Domain DNS Verification Engine (SPF, DKIM, DMARC)

Automated DNS record verification with setup guides for Cloudflare, Route 53, and GoDaddy.

Infrastructure

Automated DNS verification engine checking SPF, DKIM, and DMARC.
Step-by-step setup guides for Cloudflare, AWS Route 53, and GoDaddy.

[0.1.5] — 15 August 2025

Dashboard "Send Test Email" Tool

Added an instant test-send modal in the SMTP settings tab to verify credentials without writing code.

Frontend

Send test email modal in SMTP settings tab.
Verify SMTP gateway credentials and inbox delivery in seconds.

[0.1.0] — 12 August 2025

KumoMTA Engine & High-Performance SMTP Gateway

Integrated KumoMTA as our core mail transfer agent for high-throughput SMTP processing on ports 587 and 465.

Infrastructure

Integrated KumoMTA as the core Mail Transfer Agent (MTA).
High-throughput SMTP processing on ports 587 and 465 with TLS support.

[0.0.5] — 4 August 2025

System-Aware Dark & Light Mode

Added system theme detection and manual toggle across all web apps and dashboard pages.

Design

System theme detection and smooth dark/light mode toggle.
Tailwind design tokens shared across all frontend applications.

[0.0.1] — 1 August 2025

Initial Release of Reloop

Open-source launch of the Reloop repository with Bun workspace monorepo and core email pipelines.

Infrastructure

Initial open-source release of Reloop repository.
Bun workspace monorepo structure and foundational email pipelines.