means that the email server or something between FairEmail and the email server actively terminated an existing connection.
means that the email server or something between FairEmail and the email server actively terminated an existing connection.
This can for example happen when connectivity was abruptly lost. A typical example is turning on flight mode.
This can for example happen when connectivity was abruptly lost. A typical example is turning on flight mode.
The message *... Connection reset by peer ...* or *... Broken pipe ...* means that the email server actively terminated an existing connection.
The message *... BYE Logging out ...*, *... Connection reset by peer ...* or *... Broken pipe ...* means that the email server actively terminated an existing connection.
The message *... Connection closed by peer ...* might be caused by a not updated Exchange server,
The message *... Connection closed by peer ...* might be caused by a not updated Exchange server,
see [here](https://blogs.technet.microsoft.com/pki/2010/09/30/sha2-and-windows/) for more information.
see [here](https://blogs.technet.microsoft.com/pki/2010/09/30/sha2-and-windows/) for more information.