Issues

• one tag without "=" makes the whole DMARC record fail

  ValiMail/authentication-headers#40 · Filter by author TheBrainfucker opened on Oct 24, 2026

• sp is used for the From domain's own DMARC record

  ValiMail/authentication-headers#39 · Filter by author TheBrainfucker opened on Oct 24, 2026

• check_dmarc() corrupts SPF smtp.mailfrom when value is a bare domain, causing AttributeError

  ValiMail/authentication-headers#38 · Filter by author n251ea opened on Oct 14, 2026
  1

• psddmarc.org is gone

  ValiMail/authentication-headers#35 · Filter by author dvzrv opened on Nov 13, 2025

• IndexError if spf_results.smtp_mailfrom only contains a domain (and no local part)

  ValiMail/authentication-headers#33 · Filter by author oxmie opened on Mar 24, 2025
  2