Exchange 2019 problem with sending mail - recently I have a problem with sending mail. When sending using MS Outlook, you are constantly prompted for the password (the password is saved in the settings and everything worked correctly before). When you try to send mail using OWA, the message is placed in draft. The problem started sporadically yesterday and permanently today. I recently installed Exchange CU11 and it started to occur more frequently after that. All services work and errors can be seen - where to look for the cause?
Best regards Janusz
