Changelog

New features, improvements, and fixes shipped to MailShield.

Featurev1.21.0April 28, 2026

Email Volume Limit Notifications

Get a heads-up before you hit your monthly email volume limit, and see clearly when reports are gated.

  • Send a soft-tone email to the org owner at 80% of monthly volume
  • Send a follow-up email at 100% with an upgrade prompt
  • Each notification is sent at most once per calendar month per organization
  • Report viewing now pauses at 100% of the limit instead of 120%
  • DMARC and TLS alert emails include an upgrade footer when the org is over its limit
Featurev1.20.0April 25, 2026

Webhook, PagerDuty, and Datadog Notifications

Send alerts directly to your ops stack — generic webhooks, PagerDuty incidents, and Datadog events.

  • Add generic JSON webhook channel with optional shared-secret header
  • Add PagerDuty channel using Events API v2 for incident routing
  • Add Datadog channel for posting events with US and EU site support
Featurev1.19.0March 5, 2026

Passkey Authentication

Sign in instantly with passkeys — no email link required.

  • Add passkey login as an alternative to magic links
  • Register and manage passkeys from account settings
  • Support for synced passkeys across devices (iCloud Keychain, Google Password Manager, etc.)
  • Secure WebAuthn-based authentication with no passwords or codes
Improvementv1.18.0February 15, 2026

Dashboard Navigation Redesign & Bulk Import

Redesigned domain navigation with pill-style tabs, added bulk domain import, PDF score reports, and command palette for quick navigation.

  • Add pill-style sub-navigation for domain detail pages
  • Add bulk domain import for onboarding multiple domains at once
  • Export domain security score reports as PDF
  • Command palette for quick navigation across the dashboard
  • Loading skeletons across all dashboard pages for smoother transitions
Improvementv1.17.0February 14, 2026

Date Range Filters & Activity Sparklines

Filter reports by custom date ranges and see domain activity at a glance with new sparkline charts.

  • Date range picker in report filters using calendar UI
  • Activity sparklines replace fail rate charts on the domains list
  • Page size selection for DMARC and TLS report viewers
  • Report pagination controls for easier browsing
Featurev1.16.0February 14, 2026

Report File Import

Import historical DMARC and TLS-RPT report files with drag-and-drop upload, automatic domain matching, and deduplication.

  • Drag-and-drop upload for DMARC and TLS-RPT XML/JSON files
  • Automatic domain matching to existing monitored domains
  • Duplicate report detection to prevent double-counting
  • Server-side pagination and SQL-based filtering for report lists
Featurev1.15.0February 13, 2026

DMARC & TLS Report Viewer

Drill into DMARC and TLS reports with filtering, volume charts, and detailed record views.

  • DMARC report viewer with filtering by domain, date range, reporter, and status
  • Volume chart showing DMARC report trends over time
  • Detailed record-level view for individual DMARC reports
  • TLS report viewer with policy results and failure details
Featurev1.14.0February 12, 2026

Domain Stats Dashboard

At-a-glance stats above your domain list showing emails monitored, domain count, average security score, and DMARC compliance rate.

  • Stats row with emails monitored, domain count, avg score, and compliance rate
  • Stats reflect the entire organization regardless of group or tag filters
  • Free plan email volume limit updated to 250/month
  • Plan tier limits aligned with current pricing
Fixv1.13.0February 11, 2026

Reliability Fixes

Fixed false TLS alerts from transient connection failures and corrected date handling in cleanup jobs.

  • TLS/DANE changes only reported when MX records themselves changed
  • Replaced brittle error-string matching with data-driven probe state checks
  • Fixed date format in stale user cleanup queries for proper database compatibility
Featurev1.12.0February 11, 2026

Domain Groups & Tags

Organize your domains with custom groups and color-coded tags for better management at scale.

  • Create domain groups to organize related domains together
  • Add custom tags with colors to any domain
  • Filter and search domains by group or tag
  • Grouped view option in the domains list
Securityv1.11.0February 10, 2026

Anti-Spam & Account Security

Strengthened account security with invisible CAPTCHA, rate limiting, and self-service account deletion.

  • Invisible CAPTCHA challenge on login to prevent abuse
  • Rate limiting on authentication endpoints
  • Self-service account deletion from settings
  • Automatic cleanup of stale unverified accounts
Featurev1.10.0February 10, 2026

Email Volume Monitoring

Track email volume across your domains with plan-based limits and usage dashboards.

  • Email volume tracked from DMARC aggregate reports
  • Volume-based limits per plan tier
  • Usage dashboard for administrators
  • Consolidated pricing: Free, Starter, Pro, and Business plans
Featurev1.9.0February 8, 2026

Notification Channels

Get alerts where your team already works: Telegram, Slack, Discord, and more.

  • Connect Telegram, Slack, Discord, or custom webhooks
  • Per-channel notification preferences
  • Test notifications before going live
  • Available on Starter plans and above
Featurev1.8.0February 8, 2026

DANE & DNSSEC Scoring

DANE and DNSSEC validation now contribute to your domain's security score.

  • DANE TLSA record validation integrated into scoring
  • DNSSEC chain of trust verification
  • Score breakdown shows DANE/DNSSEC contribution
  • Improved BIMI logo content validation
Featurev1.7.0February 3, 2026

DMARC Report Viewer

Drill into individual DMARC reports with full record details, IP enrichment, and authentication results.

  • View every record in a DMARC aggregate report
  • IP addresses enriched with country flags and ASN info
  • Direct links to bgp.tools for network investigation
  • Detailed SPF, DKIM, and DMARC authentication results per record
Improvementv1.6.0January 28, 2026

Real-Time DNS Checks

DNS check results now stream in real time via server-sent events for a faster, more responsive experience.

  • Results appear as each check completes, no more waiting for all eight
  • Retry logic and timeouts prevent false alerts from transient DNS failures
  • BIMI logos migrated to SVG Tiny PS format for better compatibility
  • DKIM verification improvements for split TXT records and Ed25519 keys
Featurev1.5.0January 27, 2026

Scheduled Reports & DMARC Recommendations

Schedule recurring email reports and get DMARC policy recommendations tailored to how you use each domain.

  • Schedule daily, weekly, or monthly email reports per domain
  • Dynamic DMARC policy recommendations based on domain usage type
  • IPv6 CIDR support in SPF mechanism display
  • Improved DKIM signature verification accuracy
Featurev1.4.0January 25, 2026

REST API & Access Tokens

Integrate MailShield into your workflows with our REST API. Create tokens, set IP allowlists, and monitor usage.

  • Create and manage API tokens with optional IP allowlists
  • API access logging with detailed request/response tracking
  • Token activity dashboard with filtering
  • Available on Pro plans and above
Featurev1.3.0January 25, 2026

Billing & Subscription Plans

Flexible subscription plans with Stripe integration. Upgrade, downgrade, or switch billing cycles anytime.

  • Four plans: Free, Starter, Pro, and Business
  • Monthly and annual billing with up to 20% savings
  • Domain and team member limits per plan
  • Granular domain usage type support for accurate scoring
Featurev1.2.0January 24, 2026

Inbound Mail Tester

Send a test email to MailShield and get a detailed deliverability analysis with a 100-point quality score.

  • 100-point email quality scoring system
  • SPF, DKIM, and DMARC authentication verification
  • Blocklist and reverse DNS checks
  • Auto-discovery of DKIM selectors from test emails
  • Test history so you can track improvements
Featurev1.1.0January 24, 2026

MTA-STS Hosting

MailShield hosts your MTA-STS policy so you can enforce encrypted email delivery. Just add two DNS records.

  • Fully hosted MTA-STS policies, no web server required
  • Start in testing mode, upgrade to enforce when ready
  • Auto-detection of MX hosts from your latest check
  • Built-in DNS verification and monitoring
Featurev1.0.0January 24, 2026

Security Scoring & SPF Checker

Launch of the domain security scoring system and public SPF record checker tool.

  • Domain security score across all eight email protocols
  • Score breakdown by protocol with improvement suggestions
  • Public SPF checker tool for any domain's SPF record
  • Parked domain detection with null MX support
  • Perfect score celebration animation