Piss-Poor Programming

From a Yahoo email (no indication that it is phishing or anything other than legitimate but dreadful):

If you are reading this message, the delivery problem appears to
be fixed. To start receiving your groups messages by email again and turn your account back on, please visit:

http://$(siteprefs_defDomainWeb)/unbounce?adj=139962006,64412&p=1288563{truncated}

(You can also copy and paste this link into your browser, and hit the
'Return' key.)

The "truncated" is mine, the rest is theirs.