Email cannot be sent because your mailbox {0} does not have an email server profile associated with it or the email server profile is inactive. Associate an active email server profile with the mailbox, and enable the mailbox for sending email.
Email cannot be sent because the email address of the mailbox {1} requires an approval by an Office 365 administrator. The ...
Email cannot be sent because the number of allowed connections to your mailbox {0} has been exceeded. The owner of the associated ...
Email cannot be sent because the quota for your mailbox {0} has been exceeded. Delete email from your mailbox or contact ...
Email cannot be sent because the specified sender does not have an email address. Add an email address to the sender and ...
Email cannot be sent because your mailbox {0} does not have an email server profile associated with it or the email server ...
Email cannot be sent for mailbox {0} because either a server certificate needed to connect to the email server could not ...
Email cannot be sent from the mailbox {0} because an error occurred in creating the email on the email server. The system ...
Email cannot be sent from the mailbox {0} because an error occurred while creating the associated attachments on the email ...
Email cannot be sent from the mailbox {0} because the email size is too large. To view email that failed, see the alerts ...