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Released v4.2.1

High-PerformanceEmail Checker

Rapid verifies, searches, and analyses mailboxes at lightning speed with support for IMAP, Outlook/Hotmail, Web.de/GMX, plus country detection and comprehensive folder search capabilities.

High Performance
Advanced Proxy
Rust Engine
Rapid interface

Overview

Purpose-built for bulk email verification and deep mailbox queries with extensive provider support including IMAP, Outlook/Hotmail, Web.de/GMX and more.

Extended Protocol Coverage

Full support for IMAP, Outlook/Hotmail, Web.de/GMX protocols with POP3 and additional webmail providers coming soon — all via custom low-latency engine.

Comprehensive Search

Search across all folders including Inbox, Sent, Drafts, Spam, and custom folders. Query by from/to, subject, body, flags, date ranges, and more.

Rust Speed with Country Intelligence

Memory-safe concurrency with automatic country detection and geo-location for enhanced filtering and analytics.

Rapid advanced search settings with folder selection

Core Features

What makes Rapid the new industry benchmark.

Protocol Flexibility
Fine-tuned handling for IMAP, Outlook/Hotmail, Web.de/GMX protocols, with POP3 and additional webmail providers coming soon.
Advanced Search Filters
Search all folders with stackable filters for sender, recipient, subject, text, flags, timestamps, and automatic country detection.
Custom Engine
Built from scratch — no heavy third-party libs, no bloat.
All-Rust Core
Superior speed, safety, and thread scalability.
Proxy Management
HTTP/SOCKS5 with auto-refresh and rotation strategies.
15 M+ Server DB
Massive host list including Web.de/GMX servers with DNS auto-discovery and geo-location data.

Config & Analysis

Tweak Everything

Threads, timeouts, retries, delays, protocol mix, proxy logic.

Credential Loader

Filter by domain/TLD, password length, and complexity up front.

Proxy Loader

File or URL sources; auto-detect protocol; scheduled refresh.

Domain Stats

See domain distribution and popularity metrics instantly.

All-Folder Search

Advanced query language searches across all folders (Inbox, Sent, Drafts, Spam, custom) to pinpoint specific messages instantly.

Live Statistics with Geo-Data

Track CPM, errors, success rate, country distribution, ETA, and more in real time.

Performance

Designed for max throughput without sacrificing stability.

Rapid protocol settings including Web.de/GMX support

Async Threads

Futures-based concurrency beats legacy thread pools.

Optimised Timeouts

Dynamic adjustments minimise hangs and maximise flow.

Smart Retry

Auto-tunes retry/back-off to handle flaky hosts.

Proxy Rotation

Round-robin, sequential, or random — pick what works.

Advanced Extras

Everything pros need for serious mail ops.

Deep Stats with Country Analytics

Full metrics: CPS, elapsed, remaining, successes, fails, retries, plus country distribution and geo-analytics.

Credential Filtering

Auto-clean invalid emails, dedupe, normalise domains.

Proxy Hub

Load any format, refresh on schedule, rotate smartly.

Intuitive UI

Modern, minimal interface with real-time charts and controls.

Rapid results table with country detection

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