Samsung Emails app fails to send message on first attempt

[userGry32dVy78]

Every time I send an email I get the notification that sending has failed. I would have to open the app, go to outbox and send it again then it would work. Why does it always fail on the first sending attempt?

[TheGalaxy]

clear cache
if not clear data
if not reinstall
if not wipe cache partition
if not Repair apps
if not factory reset