Words like "free" or "percent off" may not trigger spam filters for your email, but could __________.

Using words like "free" or "percent off" in your email subject lines may not explicitly trigger spam filters, but they could lead to the perception that the email is automated or sent by a bot. This perception can arise due to the overuse of marketing language that feels impersonal or overly promotional. When subscribers encounter such language, they may assume the message lacks a personal touch, which can diminish engagement and trust.

It's crucial for marketers to balance enticing subject lines with a personal, authentic tone to foster a stronger connection with recipients. Other options, while positive outcomes of effective email marketing strategies, do not directly relate to how these specific words influence the perception of the emails being sent.