Replying to Timo Sirainen:
But didn't you say Larch was giving some errors already?
Yes, but the Larch error message said only "mailbox cannot contain messages", followed by the name of the folder into which it couldn't store a message.
I looked at the Larch source code (written in Ruby, a language I have never used and don't really know at all), and this particular error message appears to be generated when Larch is unable to select or create a given mailbox. Exactly what the IMAP rejection response from Dovecot is, I can't tell; it's not being reported anywhere as far as I can see.
Maybe Larch has some mbox-specific code and it thinks that dbox looks similar..
Larch isn't accessing Dovecot's internal mailbox structure at all -- it's just talking to the IMAP server. I'm not sure what sort of "mbox-specific code" could be involved in such a scenario. Is there anything about mbox vs. dbox that would be reflected in the way a Dovecot server behaves when using IMAP?
I think what I really need here is a way to look at the actual, literal IMAP commands and responses (not just abstract interpretations of the errors from Dovecot, Larch, or any other program). Without that information, I don't see how I can tell what the problem is, or whether it's in Dovecot or Larch.
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Replying to Robert Schetterer:
Is there a way to make Dovecot report all IMAP commands and responses, so I can see exactly what the client is asking for, and exactly why Dovecot is refusing to do it?
verbose logging and mail logger plugin
http://wiki2.dovecot.org/Logging http://wiki2.dovecot.org/Plugins/MailLog
I enabled these -- at least, I think I did; see my "doveconf -n" output below -- but I'm still not getting a full description of the IMAP commands and responses. Is there any way to see the actual, literal IMAP dialogue?
Alternatively, does anyone here know Ruby (the language Larch is written in) well enough to say how to make its low-level IMAP module give a full logging of all commands and responses?
no, perhaps try imapsync, it [has always] worked for me
I'm confused by the licensing status of Imapsync. The "official" web site for Imapsync says it is a commercial product (50 EUR). I found another web site (fedorahosted.org) that claims to have the latest Imapsync as a free download, but I'm unsure as to whether this copy is legitimate or pirated. Can anyone clear this up for me? I had originally preferred to use Imapsync, but I'm not prepared to pay 50 EUR for it, and I don't want to use a pirated "free" copy.
show dovecot conf and log
OK, see below for my current output of "doveconf -n". Note that I'm trying out Maildir right now; when I was using mdbox, my "mail_location" configuration line read as follows:
mail_location = mdbox:~/mdbox:DIRNAME=.indexes:INDEX=~/mdbox/indexesor like this:
mail_location = mdbox:~/mdbox:DIRNAME=.indexesAs for the log output (in /var/log/mail.log), there were no error messages of any kind. There were a bunch of "Debug: Namespace" messages saying "<path> doesn't exist yet, using default permissions", but that's all. I'm including (see below) an excerpt from my log output, showing the results of one session.
Again, I'm assuming at this point that I'm going to need to see the literal, low-level IMAP commands and responses before I can tell if this is a bug in Dovecot, a bug in Larch, or something else.
Rich Wales richw@richw.org
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# 2.2.rc5 (c24783148d78): /etc/dovecot/dovecot.conf # OS: Linux 3.5.0-26-generic x86_64 Ubuntu 12.04.2 LTS auth_verbose = yes mail_debug = yes mail_location = maildir:~/Maildir namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = separator = . } passdb { driver = pam } plugin { mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename mail_log_fields = uid box msgid size sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } protocols = " imap" ssl_cert =
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imap-login: Login: user=<randerzo>, method=PLAIN, rip=127.0.0.1,
lip=127.0.0.1, mpid=29976, secured, session=
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Rich Wales richw@richw.org