Be very careful next time when you write one Email to someone if you want to get a reply of your email.You should not use some words in the subject line like "invite","confirm","join",'press'.Cause people did not get any response or got less response with the subject line containing this words.
This information is been came out from one survey from one organization named "Badin" which is working for an email company named "Boomerang".
Badin recently did this survey for more than 5 million people and got the result like this.They also published in their survey that most of the people like to read mail before they start their work.So,the best time to send the emails are before 9 am in the morning.
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