One of the most important parts of any email is the subject line. Not only does the subject line play a huge role in determining whether someone will open your email, but also it helps determine whether your email will be delivered in the first place. A bad subject line could set off your recipient’s SPAM filter.
With so much riding on your subject line, it’s important to make sure you get it right, and to do that you need to avoid these big mistakes.
1. Including spammy words
Including certain words in your subject line can trigger SPAM filters and prevent your emails from being delivered. Some of the words you should avoid include:
For a complete list of email SPAM trigger words, check out HubSpot’s full list.
2. Using all capital letters
Some people mistakenly believe that using all capital letters in their subject line is a great way to get the attention of the recipient. What they fail to realize is that using all caps is a great way to trigger SPAM filters. Even if your message gets through, it could annoy the recipient and make you look unprofessional.
3. Lacking clarity