An error occurred : Cannot send message (Email body not accepted with reason: "5.7.0 From address is not one of your addresses."



what email account service provider do you use and what version of eM client? And do you use IMAP or POP3?

Hello John,
The email account services are Gmail & iCloud, they are both IMAP. The version of eM client is 5.0.16881.0

So I will need SMTP log, go to tools - settings - advanced, check SMTP under your account, apply and restart eM Client.
Then try to send email and after error will occur send logs… from same advanced window to together with this topic’s url in subject.

then you can turn logging off.