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If your emails are getting lots of spam reports, you’ve probably developed the reputation of a spammer. Email service providers (ESPs) may start to filter your emails into spam folders, reducing your engagement metrics. What’s more, coming across as a spam sender can erode the trust your audience has in your brand. That can lead to lost customers, negative word-of-mouth, and, ultimately, a decline in your business growth.
But how do you know if you’re receiving too many reports? Large ESPs like Yahoo and Gmail have established a clear benchmark: your spam complaint rate shouldn’t exceed 0.3%, with the ideal metric
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