GlockApps

Email deliverability testing and inbox placement monitoring platform

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Founded

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Starting Price

About GlockApps

GlockApps is a comprehensive email deliverability and spam testing platform that helps businesses ensure their emails reach recipients' inboxes. The platform tests emails against 30+ spam filters including SpamAssassin and Barracuda, and provides inbox placement reports across major providers like Gmail, Outlook, Yahoo, and Apple Mail using real seed accounts.Beyond spam testing, GlockApps offers DMARC analytics, domain and IP reputation monitoring against 50+ industry blocklists, and email authentication analysis for SPF, DKIM, and DMARC records. Its content analysis engine evaluates message elements that may trigger spam filters — such as image-to-text ratio, link quality, and message size — and provides actionable recommendations for optimization.GlockApps serves email marketers, deliverability teams, and businesses of all sizes who need to proactively diagnose and fix deliverability issues before sending campaigns to their full subscriber list.

Pros & Cons

Pros

Tests against 30+ spam filters for thorough pre-send analysis
Real seed account inbox placement testing across Gmail, Outlook, Yahoo, and Apple Mail
Comprehensive DMARC analytics and domain reputation monitoring against 50+ blocklists
User-friendly interface with actionable, easy-to-understand reports
Free plan available to try basic features before committing
Automated recurring tests for continuous deliverability monitoring
Responsive and helpful customer support team

Cons

Credit-based pricing can get expensive for high-volume senders who test frequently
Gmail inbox placement only shows primary/spam/missing — no tab-level granularity
Occasional inaccuracies in placement results for some providers like Yahoo
DMARC analytics sold separately from bundle plans at higher price points
Limited consulting service quality reported by some users

Key Features

Inbox Placement Testing

Test how emails land across major ISPs and mailbox providers including Gmail, Outlook, Yahoo, and Apple Mail using real seed accounts to see inbox vs. spam vs. missing placement.

Spam Filter Testing

Run emails through 30+ spam filters including SpamAssassin, Barracuda, and Google spam filters to identify content and configuration issues before sending.

DMARC Analytics

Monitor DMARC aggregate reports to detect unauthorized senders, track authentication pass rates, and protect your domain from spoofing and phishing attacks.

Domain & IP Reputation Monitoring

Continuously monitor sending domains and IP addresses against 50+ industry blocklists with real-time alerts when listings are detected.

Email Authentication Analysis

Validate SPF, DKIM, and DMARC records to ensure proper email authentication setup and identify misconfigurations that hurt deliverability.

Content Analysis

Evaluate email content for spam-triggering elements including image-to-text ratio, link quality, message size, and HTML structure with optimization recommendations.

Automated Monitoring

Schedule recurring deliverability tests to continuously track inbox placement trends and receive alerts when performance degrades.

Actionable Reporting

Detailed reports showing per-provider placement results, IP blacklist status, authentication results, and specific recommendations on how to improve deliverability.

Pricing

Free

0/month

2 spam test credits
1 sending account
10,000 DMARC messages monitored
Basic inbox placement testing

Essential

$59/month

360 spam test credits
IP reputation monitor
Inbox placement testing
Email authentication analysis
Content analysis
Billed annually

Growth

$99/month

1,080 spam test credits
10 sending accounts
1,200,000 DMARC messages monitored
IP reputation monitor
All Essential features
Billed annually

Enterprise

$129/month

1,800 spam test credits
20 sending accounts
12,000,000 DMARC messages monitored
IP reputation monitor
All Growth features
Priority support
Billed annually

Best For

Pre-Campaign Deliverability Testing

Email marketers can test campaigns against spam filters and check inbox placement across providers before sending to their full subscriber list, catching issues early.

Ongoing Deliverability Monitoring

Deliverability teams can set up automated recurring tests to track inbox placement trends over time and get alerted immediately when performance drops.

Domain Reputation Management

Businesses can monitor their sending domains and IPs against 50+ blocklists to quickly detect and resolve blacklisting issues before they impact campaign performance.

Email Authentication Auditing

IT and email operations teams can validate SPF, DKIM, and DMARC configurations to ensure proper authentication and protect against domain spoofing.

DMARC Compliance & Anti-Spoofing

Organizations can use DMARC analytics to detect unauthorized senders using their domain and enforce authentication policies to prevent phishing attacks.