There are certain words that when included in email subject lines can have a detrimental effect. They can result in emails not being opened but worse than that they can cause newsletter subscribers to unsubscribe, mark your email as spam, or your email may never reach the recipient and instead get blocked by spam filters.
According to Mailchimp the four words (or phrases) that should be avoided at all costs are…
Source Mailchimp
Does this surprise you? I know I’ve included one of these in a recent email subject line, have you?
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