5.11.6

- Remove inaccurate warning about SMTP-STS policy line endings
- Clarify DMARC `none` policy warnings

Author: seanthegeek

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 5.11.6
+
+- Remove inaccurate warning about SMTP-STS policy line endings
+- Clarify DMARC `none` policy warnings
+
 ## 5.11.5
 
 - Allow for matching subdomain or base domain when validating VMCs

checkdmarc/dmarc.py

@@ -921,11 +921,11 @@ def parse_dmarc_record(
             allowed_values = dmarc_tags[tag]["values"]
         if tag == "p" and tag_value == "none":
             warnings.append(
-                f"A p tag value of none has no effect on email sent as {domain}."
+                f"A p tag value of none makes DMARC ineffective on email sent as {domain}."
             )
         if tag == "sp" and tag_value == "none" and explicit:
             warnings.append(
-                f"An sp tag value of none has no effect on email sent as a subdomain of {domain}."
+                f"An sp tag value of none makes DMARC ineffective on email sent as a subdomain of {domain}."
             )
         if tag == "fo":
             tag_value = tag_value.split(":")

checkdmarc/mta_sts.py

@@ -379,7 +379,6 @@ def parse_mta_sts_policy(policy: str) -> OrderedDict:
     acceptable_keys = required_keys.copy()
     acceptable_keys.append("mx")
     if "\n" in policy and "\r\n" not in policy:
-        warnings.append("MTA-STS policy lines should end with CRLF not LF.")
         policy = policy.replace("\n", "\r\n")
     lines = policy.split("\r\n")
     for i in range(len(lines)):