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Changelog

Product changelog.

Notable changes to the smtpRS API and Paravane SDKs.

September 2026

Python SDK 1.0.3 documentation refreshed.

  • Published Paravane Python SDK 1.0.3.
  • Corrected the README banner URL so the artwork renders properly on GitHub and PyPI.
  • Republished the PyPI package description with the corrected image reference.
  • Added automated version synchronization for future SDK releases.
  • No SDK runtime or smtpRS API behavior changed in this release.

August 2026

Python SDK 1.0.2 made publicly available.

  • Aligned package and runtime versions at 1.0.2.
  • Added support for Python 3.10 through 3.13 and required a security-current requests release.
  • Added typed smtpRS organization, documentary-association, and logo response metadata.
  • Improved typed analysis responses with additional request and processing metadata.
  • Improved request retry safeguards for billable API operations.
  • Simplified the public analysis interface by removing unsupported internal options.
  • Improved package publishing and refreshed release documentation.

Company intelligence expanded.

  • Improved company-related email intelligence for eligible plans.
  • Expanded the coverage and consistency of company validation signals.
  • Improved reliability when evaluating older, incomplete, or conflicting company information.
  • Refined company-related results while preserving user privacy.

Verified organization branding added.

  • Added verified organization branding to eligible company results.
  • Improved the consistency of organization identity information shown to customers.
  • Improved the consistency of company identity details shown alongside eligible results.

Preview, credits, and billing controls strengthened.

  • Improved the public smtpRS Preview experience and decision guidance.
  • Added optional credit purchases for supported paid accounts.
  • Improved plan-transition handling so account limits remain aligned with the active plan.
  • Strengthened overall billing and entitlement reliability.

July 2026

Company validation coverage expanded.

  • Expanded the breadth of company validation coverage.
  • Improved confidence when associating business domains with organizations.
  • Improved handling of incomplete, repeated, or conflicting company information.
  • Refined domain-risk decisions to reduce avoidable false positives.

Flexible analysis options and Company Validity Beta added.

  • Added additional analysis options so eligible accounts can choose between faster and more comprehensive evaluation.
  • Introduced Company Validity Beta for eligible paid accounts.
  • Kept existing analysis behavior unchanged unless additional options are selected.
  • Strengthened access controls around paid features.

Company and domain intelligence expanded.

  • Added broader company and business-domain intelligence.
  • Improved the ability to distinguish a technically valid domain from one confidently associated with a specific organization.
  • Improved handling of ambiguous, redirected, and conflicting business domains.
  • Improved handling of cases where a company-domain relationship cannot be established confidently.

Account and API key management refined.

  • Added API key renaming for easier workspace management.
  • Improved signup and workspace creation when a company name is not provided.
  • Simplified customer-facing analysis responses to focus on useful decisions and context.

June 2026

Access security and abuse protections expanded.

  • Strengthened account and API access security.
  • Improved signup safeguards against duplicate and abusive account activity.
  • Improved protections against suspicious or abusive usage.
  • Improved the reliability of account and access controls.

Self-service account deletion added.

  • Added authenticated self-service account deletion with confirmation safeguards.
  • Improved cleanup of account access when deletion is completed.
  • Added safeguards for accounts with active billing relationships.
  • Protected shared workspaces when other active members remain.

Customer accounts, plans, billing, and administration added.

  • Added customer login, account verification, password recovery, dashboard access, and self-service API key management.
  • Added plan-aware usage limits, credits, feature access, and account controls.
  • Added self-service subscription and billing management.
  • Improved customer visibility into usage, plan, and subscription status.

Public evaluation and signup workflows introduced.

  • Connected public contact and signup experiences to structured customer onboarding.
  • Added account review and secure API access provisioning for approved customers.
  • Added usage tracking and plan limits for approved accounts.
  • Added a limited public smtpRS Preview experience for evaluating the service before integration.

smtpRS available.

  • Introduced email risk analysis for individual address checks.
  • Results provide clear risk guidance, decision support, and usage information.
  • Flexible analysis options support evaluation and production workflows according to the account plan.
  • Secure access and practical integration guidance are included for approved customers.

May 2026

Core analysis quality and reliability improved.

  • Improved email risk scoring accuracy across a wider range of address patterns.
  • Improved scoring consistency to reduce avoidable misclassification.
  • Strengthened overall service reliability and resilience.
  • Expanded customer and integration documentation.

December 2025

Response consistency improved.

  • Standardized common analysis fields across responses.
  • Added clearer decision guidance for borderline results.
  • Improved consistency between repeated checks of the same address.

October 2025

Deliverability checks refined.

  • Improved handling of domains with unusual or inconsistent mail configurations.
  • Reduced false warnings for otherwise healthy business domains.
  • Improved timeout handling for slower network-dependent checks.

August 2025

Disposable email coverage expanded.

  • Expanded detection coverage for temporary and disposable email services.
  • Improved handling of newly observed disposable-domain patterns.
  • Refined risk guidance for addresses using short-lived mailbox providers.

June 2025

Domain reputation signals broadened.

  • Added additional domain-level risk indicators.
  • Improved handling of newly registered and low-confidence domains.
  • Refined scoring when individual signals disagree.

April 2025

Address normalization improved.

  • Improved normalization of mixed-case and unusually formatted addresses.
  • Expanded support for internationalized domain and address edge cases.
  • Reduced avoidable validation failures caused by formatting differences.

February 2025

Risk results made easier to interpret.

  • Simplified result wording for low-, medium-, and high-risk outcomes.
  • Added a normalized decision field to standard responses.
  • Improved reason ordering so the most important findings appear first.

November 2024

Mailbox pattern handling expanded.

  • Improved recognition of common role-based and shared mailbox patterns.
  • Reduced unnecessary penalties for legitimate business aliases.
  • Refined treatment of unusual local-part formatting.

September 2024

Domain validation became more resilient.

  • Improved handling of redirects, aliases, and inconsistent domain responses.
  • Added safer fallbacks when a domain could not be evaluated completely.
  • Reduced hard failures when external checks were temporarily unavailable.

July 2024

Mail-domain checks expanded.

  • Added broader checks for whether a domain appears configured to receive email.
  • Improved handling of domains with multiple mail routes.
  • Refined results for partially configured domains.

March 2024

Standard response metadata expanded.

  • Added clearer request-level metadata to analysis responses.
  • Improved processing-time reporting for diagnostics and integration testing.
  • Standardized field naming across early response formats.

December 2023

Risk categories standardized.

  • Introduced consistent low-, medium-, and high-risk classifications.
  • Grouped validation findings into clearer customer-facing reasons.
  • Improved consistency between numeric scores and final guidance.

September 2023

Disposable-address detection introduced.

  • Added early detection for known temporary and disposable mailbox domains.
  • Expanded the initial domain deny-list used during evaluation.
  • Improved handling of obvious throwaway-address patterns.

June 2023

Domain verification added.

  • Added checks for whether the email domain exists and appears usable.
  • Improved handling of malformed, incomplete, and nonexistent domains.
  • Separated address-format issues from domain-level issues.

March 2023

Email parsing and normalization improved.

  • Improved parsing of common address formats and edge cases.
  • Normalized casing and whitespace before evaluation.
  • Added clearer validation reasons for malformed addresses.

January 2023

Early smtpRS prototype established.

  • Created the first structured email-risk evaluation flow.
  • Added basic syntax and domain checks.
  • Introduced an early risk score for comparing suspicious and ordinary addresses.