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Subject: NNIMAP server open error
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Hi,

When starting Gnus, I sometimes see:

Warning: Opening nnimap server on aol...failed: ; Denied server nnimap+aol; Opening nnimap server on aol...failed: ; Unable to open server nnimap+aol due to: Opening input file: Creating pipe, no error


Going to the *Server* buffer, I can type O (gnus-server-open-server)
and it changes:

     {nnimap:aol} (denied)

to:

     {nnimap:gmail} (opened) (agent)

and the *Group* buffer (after `L' -- `gnus-group-list-all-groups')
shows:

       *: nnimap+aol:INBOX

How do I track down why this error occurs?

Thanks.