Advanced Template Engine & Analytics Dashboard
AddedVisual email template builder with drag-and-drop blocks and live preview
AddedReal-time delivery analytics: open rates, click tracking, bounce rates per campaign
AddedA/B testing for subject lines with automatic winner selection
ChangedTemplate rendering engine now supports nested Liquid loops with 10x faster execution
FixedDKIM signature validation failing on forwarded messages with modified headers
Webhook System & Deliverability Engine
AddedWebhook delivery with exponential backoff and dead-letter queue
AddedAutomated IP warm-up scheduler for new sending domains
AddedSuppression list management with automatic bounce/complaint processing
ChangedSMTP relay now supports TLS 1.3 with DANE verification
FixedRate limiting not respecting per-domain throttle windows
Domain Authentication & Compliance
AddedOne-click DKIM/DMARC/SPF configuration with DNS record auto-generation
AddedGDPR-compliant unsubscribe handling with one-click list-unsubscribe headers
AddedCustom tracking domain support with automatic CNAME verification
ChangedSender reputation dashboard now shows per-ISP delivery metrics
FixedHTML-to-text fallback generating broken plain-text for complex templates
Merge Tags & Dynamic Content
AddedLiquid-based merge tag system with conditional blocks and loops
AddedSpiderPublish integration — send transactional emails triggered by form submissions
AddedBatch sending API with up to 10,000 recipients per call
FixedInline CSS processor stripping media queries from responsive templates
FixedAttachment encoding issue causing corrupted PDFs on Outlook clients
API v2 & Multi-Sender Support
AddedREST API v2 with idempotency keys and request deduplication
AddedMultiple sender identities per account with verified domain isolation
AddedEmail scheduling — queue messages for future delivery with cancel support
ChangedRate limits increased from 100 to 500 emails/second for Business tier
SpiderMail Launch
AddedTransactional email engine with sub-second delivery and 99.9% uptime SLA
AddedSMTP relay and REST API for sending emails from any application
AddedPre-built email templates for common transactional flows (welcome, reset, receipt)
AddedReal-time event webhooks for delivery, bounce, open, and click events