Searchable delivery timelines & tamper-evident logs
Complete observability for compliance and debugging. Inspect raw SMTP handshakes, delivery states, and cryptographic verification tokens with 30-day to 7-year retention.

What is Mailofly Email Logs & Audit Verification?
Mailofly Email Logs indexes every message transmission with cryptographic timestamps, raw SMTP handshake transcripts, and full status transitions (queued, sent, delivered, bounced). Logs are retained up to 7 years for enterprise SOC2 and GDPR compliance.
Configurable log retention
Raw SMTP transcripts stored
Full-text log search
Technical Parameters & Standards
Recipient, Subject, Status, Date Range, Error Code, Message ID
Complete remote server responses, MX IP, TLS cipher version
SOC2 Type II, GDPR, HIPAA-compliant encryption at rest
CSV, JSON, Streaming Webhooks, External S3 archiving
Engineered for developer velocity
Searchable message timelines
Track each email from initial API ingestion through ISP queueing, delivery confirmation, and recipient open.
Cryptographic hash proofs
Every message dispatch is hashed and timestamped, creating an immutable chain of custody for legal verification.
Raw SMTP transcripts
Inspect the full server-to-server dialogue including MX host, TLS certificate handshakes, and rejection replies.
How it works
Send email
Every dispatch through the API or SMTP relay is instantly indexed in the log store.
Inspect delivery event
Click into any log entry to view recipient timestamps, delivery latency, and open states.
Export compliance proofs
Download verified cryptographic receipts for dispute resolution and regulatory reviews.
Frequently Asked Questions
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