> On December 2, 2017 at 5:36 PM GE Junk <junk...@planetmorgan.net> wrote:
> I get a ton of these mmap() errors in the log. I noticed there's a
> double slash before Maildir. Is this normal? Config error? Dovecot bug?
> dovecot: imap(em...@email.net): Error: mmap() failed with file
> Invalid argument
> I'm running dovecot version 2.2.22
Most likely the file system does not support mmap. Is it some remote
filesystem, such as NFS? You probably can get better results by disabling mmap