You will need version 4 or higher of `firefox`
to run Pencil as a Firefox Extension. Linux users will need version 4 or higher of either `firefox`, `iceweasel` or `xulrunner`,
or version 25 or higher of `palemoon`
The Windows installer and OS X archive has everything you need built-in. Windows, Linux, OS X & Firefox Packages are available for download from the Releases Page
You can also install the Firefox Add-on from the Mozilla Add-on Repository
To install the OS X package, unzip the archive and copy the `` folder t

mnIMAPSync alternatives

  • imapsync

  • Console-based utility for migrating IMAP mailboxes.

    tags: account-backup account-migration command-line imap imap-transfers
    platform: Mac OS X Windows Linux
  • OfflineIMAP

  • OfflineImap synchronizes email between an IMAP server and a MailDir or between two IMAP servers. It offers very powerful and flexible configuration options, that allow things such as the filtering of folders, transposing of names via static configuration or python scripting. It plays well with mutt and other MailDir consuming email clients.

    tags: imap email-migration imap-backup
    platform: Mac OS X Linux BSD
  • YippieMove

  • YippieMove is the world's most powerful email migration tool. Regardless if you're looking to migrate one, one hundred or several thousand email accounts, YippieMove is your best friend.

    tags: api gmail email-management yahoo google-apps
    platform: Online
  • audriga Email and Groupware migration

  • By using the Audriga migration service you can move your email accounts and groupware accounts including emails, contacts, calender data and tasks and easy, fast and secure to your new provider. No software installation is required. Our service supports Microsoft Exchange, Open-Xchange, which is used by various large hosting providers, Google, Zimbra, and every CardDAV/CalDAV and IMAP/POP3 provider. Using the email migration service provided by is as easy as using a webmail system.Many providers are directly supported (e.g., Office 365/Exchange Online, Apple iCloud, Arcor, GoDaddy, Gmail/Google App, Yahoo!, 1&1, GMX,, Host Europe, domainFACTORY, 1blu, Jimdo, Rackspace, Intermedia, Fasthost, Strato, T-Online) and additional providers can be manually configured.If you host yourself we support a wide list of systems (e.g., Atmail, CommuniGate, Courier, Cyrus, Dovecot, Exchange, IMAP-UW, Novell Groupwise, Open-Xchange, Scalix, TOBIT, Zarafa, Zimbra). ยป

    tags: mail-server email-migration groupware-migration
    platform: Online
  • IMAP Upload

  • IMAP Upload is a tool for uploading a local mbox file to IMAP4 server. The most stable way to migrate to Gmail.

    tags: command-line-interface imap python-app email-migration
    platform: Mac OS X Windows Linux BSD
  • MigrationWiz

  • MigrationWiz provides on-demand mailbox migration services through a fully automated cloud-based solution that can be accessed at anytime from anywhere to perform a seamless mailbox migration on demand. Without the inconvenience of additional hardware or software to install, this patent pending technology allows the consumer to sign-up, configure and initiate a migration in a matter of minutes with no prior experience.

    tags: enterprise email-migration
    platform: Online