Filed under: FLOSS
Last week I suddenly realized that I didn’t receive an important email. First I started to accuse my provider Hostplanet but then I found out that it was Evolution’s fault: Emails were downloaded and saved correctly in the mbox files, however the messages were not displayed within Evolution. Once I looked at the mbox files with Thunderbird, I didn’t only find the missing email but many others as well I had received recently but didn’t see because of this misbehaviour!
I filed a bug report in Launchpad and did several test in order to find the error. As others confirm that they don’t see all of the messages of my demo mbox file (there are six messages in the file, but Evolution only shows four of them) I lost trust in Evolution and had to migrate everything to Thunderbird:
1. Email migration
This was quite easy as both Evolution and Thunderbird use the mbox format for their email storage. Thus I only needed to copy the files out of the
/home/USER/.evolution/mail/local directory, put it into Thunderbird’s directory
/home/USER/.mozilla-thunderbird/XXXXXX.default/Mail/Local Folders and clean up Evolution-specific configuration files:
find . -name "*.cmeta" | xargs -i_ rm "_"
find . -name "*.ev-summary" | xargs -i_ rm "_"
find . -name "*.ev-summary-meta" | xargs -i_ rm "_"
find . -name "*.ibex.index" | xargs -i_ rm "_"
find . -name "*.ibex.index.data" | xargs -i_ rm "_"
2. Contacts migration
As Thunderbird doesn’t support vCard file format out of the box (very strange…) I had to install MoreFunctionsForAddressBook in order to import the contacts from Evolution (right-click on selected contacts in Evolution and export them as vCards). It took a little while importing >2000 contacts in Thunderbird, but in the end it worked flawlessly.
3. Calendar migration
This was the most annoying part as Thunderbird’s Lightning Extension complained an import error when reading the iCal file from Evolution. In the end I had to import the iCal file in Google Calendar and then export it again as iCal in order to ‘clean it up’ for Thunderbird.
Finegrained configurations of Thunderbird such as adapting the reply header of email answers (mailnews.reply_header_type=2) can be made in the Config Editor.
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