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the server returned the error: client tried to access nonexistent namespace. (mailbox name should probably be prefixed with: inbox) Apple Mail

Whenever it is tried to compose a message using the Apple mail app on a mac the following error pops up the server returned the error: client tried to access nonexistent namespace. (mailbox name should probably be prefixed with: inbox)


Please advise of a fix for this error.

Posted on Aug 12, 2020 2:06 PM

Reply
Question marked as Top-ranking reply

Posted on Aug 12, 2020 5:35 PM

MattDC7 Said:

"the server returned the error: client tried to access nonexistent namespace. (mailbox name should probably be prefixed with: inbox) Apple Mail Whenever it is tried to compose a message using the Apple mail: app on a mac the following error pops up the server returned the error: client tried to access nonexistent namespace. (mailbox name should probably be prefixed with: inbox)"

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POP3, IMAP4, and SMTP Mail Protocols:

This all has to do with the protocol used by the eMail provider for sending/receiving emails: POP3, IMAP4 or SMTP. So, contact your eMail provider, and see which protocol to use for incoming and outgoing mail.

1 reply
Question marked as Top-ranking reply

Aug 12, 2020 5:35 PM in response to MattDC7

MattDC7 Said:

"the server returned the error: client tried to access nonexistent namespace. (mailbox name should probably be prefixed with: inbox) Apple Mail Whenever it is tried to compose a message using the Apple mail: app on a mac the following error pops up the server returned the error: client tried to access nonexistent namespace. (mailbox name should probably be prefixed with: inbox)"

-------


POP3, IMAP4, and SMTP Mail Protocols:

This all has to do with the protocol used by the eMail provider for sending/receiving emails: POP3, IMAP4 or SMTP. So, contact your eMail provider, and see which protocol to use for incoming and outgoing mail.

the server returned the error: client tried to access nonexistent namespace. (mailbox name should probably be prefixed with: inbox) Apple Mail

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