mdbox is compatible with mail crypt plugin, since it works differently compared to mbox.
Aki On 17 February 2022 15.58.13 UTC, "cincodemayo...@yahoo.com" <cincodemayo...@yahoo.com> wrote: >Thanks for that Marc. I'm guessing that mdbox format isn't compatible with >mail-crypt for the same reasons as mbox. Can anyone confirm? >The built in dovecot dsync utility so far looks much more promising. I have >about 20 users consuming less than 50GB of email storage. I tend to doubt on a >good sized Linux server I will run into storage issues or run out of inodes. > >For those still following along, mb2md didn't seem to work well for me. It >lost or corrupted enough email that I gave up on it. Less than 1%, but still >too high. >--Doug > > >Marc wrote: >What you should also consider if you are using some distributed filesystem or >block devices, is that maildir format created lots of small files, which in >some storage backends will give you quite a bit of storage amplification. That >is why I choose for the mdbox format. > > On Friday, February 11, 2022, 05:02:25 PM EST, cincodemayo...@yahoo.com > <cincodemayo...@yahoo.com> wrote: > > Agreed I am looking to migrate in place, if I migrate at all. I'm still > researching the benefits (aside from mail-encrypt) to using Maildir instead. > It may be the new default, but to me it is an unknown. >I am going to play with the mb2md utility >(https://centos.pkgs.org/7/epel-x86_64/mb2md-3.20-17.el7.noarch.rpm.html) in a >test instance to see if migrating in place is a feasible. > >Thanks for your responses, very much appreciated. > > > > > On Friday, February 11, 2022, 03:57:39 PM EST, John Stoffel > <j...@stoffel.org> wrote: > > >Unfortunately, this document doesn't really address the OP's need, >which is to migrate mailbox formats on the same server. Now migrating >to a new server would work, where the new server was setup to use >maildir as the default. > >Maybe a new section could be added talking about this situation in >more explicit terms, with some real examples of conversions? > >John > >Aki> https://doc.dovecot.org/admin_manual/migrating_mailboxes/ > >Aki> Aki > >>> On 11/02/2022 21:29 cincodemayo...@yahoo.com <cincodemayo...@yahoo.com> >>> wrote: >>> >>> >>> Thank you for confirming. That was the conclusion I came to, particularly >>> after seeing the structure of Maildir mailboxes and how the individual >>> messages were encrypted. Clearly it would be difficult to do the same with >>> an unlimited number of messages stored in a single file. >>> >>> A followup question if I may. I probably should just start another thread, >>> but, how difficult is it to convert to Maildir? Any gotchas? Any >>> differences in how to manage the server? How effective is the mb2md? Not >>> looking for a cookbook, just an opinion on whether it is worth converting. >>> >>> We've used mbox format going back before CentOS 5, so change is hard. >>> >>> Environment is CentOS 7, Dovecot, Sendmail, Pigeonhole, MailScanner, >>> Mailwatch SQL, Thunderbird clients. >>> >>> Thanks, >>> Doug >>> On Friday, February 11, 2022, 09:31:09 AM EST, Aki Tuomi >>> <aki.tu...@open-xchange.com> wrote: >>> >>> >>> >>> >>> > On 11/02/2022 16:26 cincodemayo...@yahoo.com <cincodemayo...@yahoo.com> >>> > wrote: >>> > >>> > >>> > >>> > >>> > Hi, >>> > >>> > >>> > My Dovecot server of many years has been set up to use mbox email >>> > folders. I want to implement mail-crypt and after banging my head against >>> > a wall for a few days trying to get mail-crypt to work I decided to try >>> > it against a test instance of my server that I reset to use Maildir >>> > format and mail-crypt worked instantly. >>> > >>> > >>> > Does mail-crypt work with mbox format mail folders, or am I wasting my >>> > time unless I switch over to Maildir? The documentation at >>> > https://doc.dovecot.org/configuration_manual/mail_crypt_plugin/ doesn't >>> > explicitly say Maildir is required. >>> > >>> > >>> > Thanks in advance, >>> > >>> > >>> > Doug >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> Mail crypt will not work with it. Mbox format has limited support of >>> features. >>> --- >>> Aki Tuomi >
