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I've been using this to sync to a local dovecot installation. It's the best solution I could find that would allow me to have a local backup in a standard forma

by cube00 5y ago

I've been using this to sync to a local dovecot installation. It's the best solution I could find that would allow me to have a local backup in a standard format (ie. I can see the individual email messages in a Maildir) and also be able to browse/search the backup using a mail client. It's not that clear from the website but you should find imapsync in your distribution's package repo if you want to try it before supporting the author. I don't doubt the "no questions asked" refund policy, but I'm done fighting for my money back after bad experiences in the app stores.

edwinbalani 5y ago
You can also find the 'GitHub version' (which I'd guess is where distributions get their versions from) at https://github.com/imapsync/imapsync https://github.com/imapsync/imapsync . I used this for an uncomplicated transfer from one IMAP server to another; it felt pretty slow but with the right CLI flags it is interruptible/restartable, and I didn't end up with lost or duplicate mail. It comes with the author's custom "no limits" licence (looks a lot like the WTFPL), so it probably qualifies as free & open source, but you don't get a support contract of course. The author's site also has a "give me your IMAP credentials and I'll migrate your mailbox for you, free up to a size limit" service, https://imapsync.lamiral.info/X/ https://imapsync.lamiral.info/X/ , which boggles the mind. On principle I couldn't trust it.
tatoalo 5y ago
Did you do anything particular config-wise for accessing your local instance of dovecot? I tried with [0] but the connection times out when trying to connect via Thunderbird… [0]: https://github.com/antespi/docker-imap-devel https://github.com/antespi/docker-imap-devel
- cube00 5y ago
  That project looks like it uses SSL/TLS so if your certificate is self signed you'll need to add an exception [1] Thunderbird doesn't prompt for this while connecting like a web browser does. It fails to connect without a clear warning in this case. Full shameful disclosure: Since my backup is only locally accessible on a trusted network I used insecure IMAP on port 143 [1]: https://serverfault.com/questions/532172/thunderbird-not-trusting-certificate-signed-with-self-signed-authority https://serverfault.com/questions/532172/thunderbird-not-tru...

by cube00 5y ago

edwinbalani 5y ago

You can also find the 'GitHub version' (which I'd guess is where distributions get their versions from) at https://github.com/imapsync/imapsync https://github.com/imapsync/imapsync . I used this for an uncomplicated transfer from one IMAP server to another; it felt pretty slow but with the right CLI flags it is interruptible/restartable, and I didn't end up with lost or duplicate mail. It comes with the author's custom "no limits" licence (looks a lot like the WTFPL), so it probably qualifies as free & open source, but you don't get a support contract of course. The author's site also has a "give me your IMAP credentials and I'll migrate your mailbox for you, free up to a size limit" service, https://imapsync.lamiral.info/X/ https://imapsync.lamiral.info/X/ , which boggles the mind. On principle I couldn't trust it.

tatoalo 5y ago

Did you do anything particular config-wise for accessing your local instance of dovecot? I tried with [0] but the connection times out when trying to connect via Thunderbird… [0]: https://github.com/antespi/docker-imap-devel https://github.com/antespi/docker-imap-devel

cube00 5y ago
That project looks like it uses SSL/TLS so if your certificate is self signed you'll need to add an exception [1] Thunderbird doesn't prompt for this while connecting like a web browser does. It fails to connect without a clear warning in this case. Full shameful disclosure: Since my backup is only locally accessible on a trusted network I used insecure IMAP on port 143 [1]: https://serverfault.com/questions/532172/thunderbird-not-trusting-certificate-signed-with-self-signed-authority https://serverfault.com/questions/532172/thunderbird-not-tru...