Assertion: email's link | /r/CapableOf | purport to unsubscribe recipient
Facets:
Source sentences:
text: While 95% of all commercial e-mails from reputable bulk emailers with an unsubscribe feature indeed work in this manner, unscrupulous senders and spammers can also include a link that purports to unsubscribe a recipient; clicking the link or button confirms to the originator that the e-mail address used was a valid one, opening the door for further unsolicited e-mail.