Zmprov mcf zimbraMtaMaxMessageSize 52428800 imapsync over SSL Use the following command as the zimbra user to increase to 50MB: At this time the only way to set it is via the command line. The Zimbra IMAP server uses zimbraFileUploadMaxSize to set the max size. + Copying msg #87598:54935762 to folder INBOXĬouldn't append msg #87598 (Subject:) to folder INBOX: 894 NO request too long + Copying msg #131:11690588 to folder Folders/Projects/ConsultingĬouldn't append msg #131 (Subject:) to folder Folders/Projects/Consulting: 5160 BAD parse error: request too long Errors such as the following will be displayed in the imapsync log. This will cause errors to be raised during the imapsync for emails which are larger than 10MB. The default Zimbra IMAP maximum email size is 10MB. If you really want to migrate the data just remove the "-dry" option from above example.Įnabling Emails With Large File Attachments (Zimbra IMAP Max Size is 10MB) This will do nothing nothing but show if it would work. host2 -user2 -password2 TotallySecret456 -tls2 host1 -user1 -password1 TotallySecret123 -tls1 \ $ imapsync -nosyncacls -subscribe -syncinternaldates -fast -dry \ Since Zimbra default settings prohibit plaintext logins we use the following method to just test if IMAPSync would actually work: Note: see Talk:User_Migration if you're having problems with the imapsync source. See for more information on installing imapsync. The ReadMe lists a number of other IMAP servers compatible with imapsync. I used imapsync to migrate from a Cyrus IMAPd to Zimbra. Imapsync will not copy the same data twice, so you do not have to be concerned about duplicate messages. You can also run it more than once to sync changes for a staged migration. Simply restart the same command again to resume the migration. You may interrupt imapsync at any time with CTRL-C. It is assumed your source server also has Clear Text login enabled, but to do that please read the documentation of your respective server. You can enable this under the administration GUI in the Configuration menu, under Servers, in the IMAP tab of your server. Your destination account on the Zimbra server should also have Clear Text Login enabled. If your old IMAP server doesen't support NAMESPACE you have to also add appropriate options for example on iMail 6.0 the following are required: host2 -user2 yourZimbraAccount -passfile2 yourZimbraPasswordFile host1 -user1 yourAccount -passfile1 yourPasswordFile \
#Zimbra outlook imap lost emails password#
Of course the complete command belongs on one line (signified by the backslashes: \).Ī slightly more secure method is to write each password into a separate file, and then use the -passfile options: host2 -user2 yourZimbraAccount -password2 yourZimbraPassword host1 -user1 yourAccount -password1 yourPassword \ Imapsync -nosyncacls -subscribe -syncinternaldates \ To increase the buffersize to 8MB, add the arguments "-buffersize 8192000" when running imapsync.įor this example my existing IMAP server is running on and I set up Zimbra on a new machine named. The default buffer size is 4KB increasing it by one or two orders of magnitude is not uncommon for typical Zimbra-ready configurations. Imapsync may run faster and consume less CPU with larger I/O buffers, but no benchmarking of this has been performed. Finally, consider that imapsync will be a heavy load on your CPU and memory the system running the migration will be less responsive.
#Zimbra outlook imap lost emails install#
You can install these with your favorite package manager, from RPM's or with cpan. There are also a few Perl module dependances, including Digest::MD5, IO::Socket::SSL,Term::ReadKey, Digest:HMAC, libmail:imapclient (Mail::IMAPClient? requires exactly version 2.2.9, as of this writing), and Date::Manip. You can set that option under the IMAP tab of the Global Settings or individual Server settings in the Zimbra Admin Console UI. In addition, imapsync will not be able to authenticate to the Zimbra server until you enable clear text login for the IMAP service. email addresses) and passwords for the users to be migrated. You can check that using an email client before starting the migration. The Guideīefore you can use imapsync you must have both the source IMAP message store and ZCS up running and accessible to user accounts via IMAP. This article is a Work in Progress, and may be unfinished or missing sections.
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