SpamAssassin rule
URI_NOVOWEL
Linked domain looks random
+0.5 points
Link (URI) test
What URI_NOVOWEL means
A linked host name has a long sequence without vowels, typical of throwaway domains.
The rule's description in SpamAssassin: “URI hostname has long non-vowel sequence”
How to fix it
Link only to recognizable domains.
Does your email trigger URI_NOVOWEL?
Send it to a free test address: we run SpamAssassin, check SPF, DKIM and DMARC and show every rule with a fix.
Open the email spam checkerRelated rules
HTTPS_HTTP_MISMATCHLink text and target differ
NORMAL_HTTP_TO_IPLink to a bare IP address
NUMERIC_HTTP_ADDRLink with a numeric IP address
T_SHORT_SHORTNERShort email with a link shortener
URIBL_ABUSE_SURBLA link points to a domain on SURBL
URIBL_BLACKA link points to a domain on URIBL
URIBL_DBL_SPAMA link points to a domain on the Spamhaus DBL
Frequently asked questions
What does URI_NOVOWEL mean?
A linked host name has a long sequence without vowels, typical of throwaway domains.
How do I fix URI_NOVOWEL?
Link only to recognizable domains.
How many points does URI_NOVOWEL add?
0.5 points in the default SpamAssassin ruleset (network tests on, Bayes off). A message is treated as spam from 5.0 points. Mail servers can change scores locally.