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MailPolicyExplainer Change Log

Version 1.4.1 (Wednesday, May 22, 2024)

FIX DMARC pct tokens are now properly explained. Thanks to Jason Berry for finding the bug and writing the pull request!

Version 1.4.0 (Thursday, April 4, 2024)

  • NEW Most cmdlets now have a switch, -DisableDnssecValidation, that does just that.
  • NEW Test-DkimRecord will print the full DKIM TXT record to the verbose stream. Thanks to Jason Berry for writing the pull request!
  • FIX DNSSEC results are shown even when records are not found, to show proof of non-existence (unless DNSSEC validation is disabled).
  • FIX The SPF qualifier is no longer prepended to IPv4 addresses.
  • FIX A bug caused Windows PowerShell 5.1 not to parse MTA-STS policy file line endings properly. Thanks to Jason Berry for reporting this and writing another pull request!

Version 1.3.4 (Wednesday, January 24, 2024)

FIX Some previous versions of this module failed to load on Windows PowerShell 5.1 due to a missing backtick. PowerShell 7 considered this to be valid syntax. Thanks to Aslan Grealis for finding this bug.

Version 1.3.3 (Thursday, January 18, 2024)

FIX When no DANE records are present for a domain with a single MX host, Test-DaneRecords would erroneously report the domain name when it should have reported the MX server name.

Version 1.3.2 (Friday, December 8, 2023)

FIX Test-MtaStsPolicy no longer misidentifies mta-sts.txt files with the correct CRLF line endings as malformed. This was caused by a regression in version 1.3.1.

Version 1.3.1 (Wednesday, December 6, 2023)

  • FIX Implied MX records are now displayed correctly.
  • NEW The IP version checks are now displayed with an indentation when run as a part of Test-MailPolicy.
  • FIX The IP version checks now work with implied MX records.
  • FIX Test-DaneRecords now correctly checks DANE records for domains without MX records.
  • FIX The DMARC fo token is now parsed correctly when multiple values are present.
  • FIX The DMARC rf token is now parsed correctly.
  • FIX The MTA-STS policy file test returns a better error message when the file does not have the correct CRLF line endings.
  • FIX The SMTP TLS reporting policy test now checks to make sure exactly one v tag is present with the value TLSRPTv1.
  • FIX The SMTP TLS reporting policy test now fails gracefully when invalid text is present.
  • FIX The SPF exists and mx token parsers no longer generate a spurious error when not counting DNS lookups.
  • FIX IntelliSense's handling of Test-SpfRecord has been improved by hiding some internal-use-only parameters.
  • FIX Online help is fixed for Test-SmtpTlsReportingPolicy, Test-MtaStsPolicy, and Test-SpfRecord.
  • FIX Cleaned up Test-DaneRecords' output.
  • FIX Miscellaneous code cleanup to improve future maintenance.

Version 1.3.0 (Tuesday, November 7, 2023)

  • NEW Test-SpfRecord can now recursively evaluate SPF records to count how many DNS lookups are performed when evaluating redirect= modifiers and include: tokens. Use either Test-SpfRecord -CountDnsLookups, Test-SpfRecord -Recurse, or Test-MailPolicy -CountSpfDnsLookups to use this new mode. Note that this overrides the new behavior introduced in version 1.2.0.
  • FIX Fixed grammar in some Test-SpfRecord messages.
  • FIX RFC documents were supposed to be made available as conceptual help, but were not. This has been corrected.

Version 1.2.0 (Thursday, October 19, 2023)

The SPF tester now follows the redirect= modifier. Previously, it would only display the value of the modifier (and not do it correctly, either, only showing a null value). (This behavior was changed by version 1.3.0.)

Version 1.1.0 (Thursday, October 19, 2023)

  • NEW: MX records and MTA-STS policy servers are now tested to make sure they can be reached over both IPv4 and IPv6.
  • FIX: DKIM keys without a version defined were reported as invalid. Per the RFC, v=DKIM1 is supposed to be the default if a key type is not declared. Now, keys missing a v= tag will be reported as valid.
  • FIX: DKIM keys without a key type defined were reported as invalid. Per the RFC, k=rsa is supposed to be the default if a key type is not declared. Now, keys missing a k= tag will be reported as valid.
  • NEW: DKIM RSA keys larger than 4096 bits will now be reported as bad practice. While they were not required to be verifiable in RFC 6376, they are required to be supported as of RFC 8301.
  • FIX: The PowerShell Gallery IconUri has been corrected.

Version 1.0.0 (Saturday, October 14, 2023)

First public release.