Syntax for mailbox_default_options

[Nels Lindquist]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 2018/05/22 12:04 PM, Nels Lindquist wrote:
> 
> On 2018/04/12 10:09 PM, ellie timoney wrote:
> 
>>> On Fri, Apr 13, 2018, at 1:21 AM, Nels Lindquist wrote: The
>>> man page for imapd.conf has this to say regarding 
>>> "mailbox_default_options":
>>> 
>>>>> Default “options” field for the mailbox on create. You’ll 
>>>>> want to know what you’re doing before setting this, but it 
>>>>> can apply some default annotations like duplicate
>>>>> supression
>>> Well, I don't know what I'm doing and I'm not finding anything
>>> in the documentation (or Google) to help.
>>> 
>>> What's the syntax for this directive?
> 
>> I believe it's an integer bitmask of the OPT_* values that are 
>> defined in imap/mailbox.h in the source.
> 
>> The sparse documentation suggests it's for developer, rather than
>>  normal administrator use, maybe for rigging up tests? It's
>> included in the imapd.conf man page because that man page is
>> autogenerated from the code that processes the options.
> 
>> Unless you've got something in particular you're trying to do,
>> I'd probably just leave it alone. :)
> 
> Okay, I do need it.  I have a legacy server with Cyrus IMAPD 2.3.x 
> installed, and I need to enable the CONDSTORE flag by default on
> all newly created mailboxes/subfolders.
> 
> - From imap/mailbox.h:
> 
> #define OPT_POP3_NEW_UIDL (1<<0) #define OPT_IMAP_CONDSTORE (1<<1) 
> #define OPT_IMAP_SHAREDSEEN (1<<2) #define OPT_IMAP_DUPDELIVER
> (1<<3)
> 
> And also:
> 
> #define OFFSET_MAILBOX_OPTIONS 60
> 
> So given that POP3_NEW_UIDL appears to be on by default and the
> others are all off, would the syntax be:
> 
> (Offset int 60 + (1 << 1 = int 2) + (1 << 0 = int 1) = int 63)
> 
> mailbox_default_options: 63
> 
> Am I on the right track?

Okay, I figured it out in a test environment.

The offset is a red herring and shouldn't be included, so the
following does what I need:

mailbox_default_options: 3


- ----
Nels Lindquist <nlindq at maei.ca>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2

iEYEARECAAYFAlsIPH0ACgkQh6z5POoOLgQetQCdH35APGYoK9BtIB455amFfg/3
hUEAn2APWYfUif6EF3uSH0tYFr9yGUzn
=R1dx
-----END PGP SIGNATURE-----