Updated AE_MED42 rule to 44
Code:
body __MED_OB /\bw{2,3}(?:[[:punct:][:space:]]{1,5}|[[:space:][:punct:]]{1,3}dot[[:space:][:punct:]]{1,3})[[:alpha:]]{2,6}\d{2,6}(?:[[:punct:][:space:]]{1,5}|[[:space:][:punct:]]{1,3}dot[[:space:][:punct:]]{1,3})(?:c\s?o\s?m|n\s?e\s?t|o\s?r\s?g)\b/i
body __MED_NOT_OB /\bw{2,3}\.[[:alpha:]]{2,6}\d{2,6}\.(?:com|net|org)\b/i
meta AE_MED44 (__MED_OB && ! __MED_NOT_OB)
describe AE_MED44 Shorter rule to catch spam obfuscation
score AE_MED44 2.0 Courtesy of Dan M from the SpamAssassing mailing list.