Report Says Monday Is the Best Day to Send E-mail

  • August 9, 2004
Permission-based marketing e-mails sent on Mondays have a higher deliverability success rate than any other day of the week, according to e-mail performance company Return Path. The best time to send mailings is between 6 a.m. and 10 a.m. E.S.T. The worst time to send e-mail, according to the index, is on Saturdays and Sundays between 10 a.m. and 2 p.m. E.S.T., when delivery rates fall 10 percent.

Time-of-day mailings showed a more dramatic impact than day choice, with a variance of more than 5 percent. Mailings sent between 6 a.m. and 10 a.m. showed delivery rate improvements of 2 percent more than normal, while delivery rates between 10 a.m. and 2 a.m. dropped by more than 3 percent.

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