5c7f4ba048 Clear shared IP cache in parallel test setUp for isolation (#866)
tests/test_parallel.py's parity test compares sequential
parse_report_file(path, offline=True) results in the parent process
against results from cold worker processes. When the full suite runs
locally (GITHUB_ACTIONS unset), tests/test_init.py runs first with real
DNS lookups and warms the shared module-level
parsedmarc.IP_ADDRESS_CACHE; get_ip_address_info consults the cache
before honoring offline, so the sequential baseline returned
DNS-enriched entries (e.g. reverse_dns='smtp7.cardinal.com') while the
workers correctly returned None, failing the test. CI never sees this
because it runs offline from the start.

Clear the cache in _ParallelTestCase.setUp so baselines and workers
both start cold. Test-only change; the cache-before-offline ordering in
utils.py is intentional (a cache hit makes no network queries).

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-07-26 18:41:08 -04:00
2026-07-26 18:16:30 -04:00
2026-07-26 18:16:30 -04:00
2018-02-05 20:23:07 -05:00
2022-10-04 18:45:57 -04:00
2026-03-09 18:24:16 -04:00

parsedmarc

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A screenshot of DMARC summary charts in Kibana

parsedmarc is a Python module and CLI utility for parsing DMARC reports. When used with Elasticsearch and Kibana (or Splunk), it works as a self-hosted open-source alternative to commercial DMARC report processing services such as Agari Brand Protection, Dmarcian, OnDMARC, ProofPoint Email Fraud Defense, and Valimail.

Note

Domain-based Message Authentication, Reporting, and Conformance (DMARC) is an email authentication protocol.

Sponsors

This project is maintained by one developer. Please consider sponsoring my work if you or your organization benefit from it.

Features

  • Parses aggregate/rua DMARC reports: the legacy draft and 1.0 schemas (RFC 7489) and the new RFC 9990 schema for the final DMARC standard (RFC 9989)
  • Parses failure/ruf DMARC reports (RFC 6591 and RFC 9991; formerly called forensic reports)
  • Parses reports from SMTP TLS Reporting (TLS-RPT, RFC 8460)
  • Can parse reports from an inbox over IMAP, Microsoft Graph, or Gmail API
  • Transparently handles gzip or zip compressed reports
  • Consistent data structures
  • Simple JSON and/or CSV output
  • Optionally email the results
  • Optionally send the results to Elasticsearch, OpenSearch, Splunk, or PostgreSQL, for use with premade dashboards
  • Optionally send the results to Apache Kafka, Amazon S3, Azure Log Analytics (Microsoft Sentinel), a Graylog (GELF) endpoint, a syslog server, or an HTTP webhook

Python Compatibility

This project supports the following Python versions, which are either actively maintained or are the default versions for RHEL or Debian.

Version Supported Reason
< 3.6 End of Life (EOL)
3.6 Used in RHEL 8, but not supported by project dependencies
3.7 End of Life (EOL)
3.8 End of Life (EOL)
3.9 Used in Debian 11 and RHEL 9, but not supported by project dependencies
3.10 Actively maintained
3.11 Actively maintained; supported until June 2028 (Debian 12)
3.12 Actively maintained; supported until May 2035 (RHEL 10)
3.13 Actively maintained; supported until June 2030 (Debian 13)
3.14 Supported (requires imapclient>=3.1.0)
S
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