Mozilla Thunderbird

  Maildir is a major change for Thunderbird because it changes the mail storage mechanism. The single file per email storage format has significant benefits: Backups are easier and shorter because the amount of data to be backed up is reduced to only emails that have changed since the last backup. It is easier for anti-virus to scan emails in individual files, and infected mails can be removed without the loss of all the other mail in the folder, as often occurs today with anti-virus software which cannot handle multiple emails in one file. Steps to turn on Maildir in Mozilla Thunderbird : Back up your email. At the top of the Thunderbird window, click the  Tools  menu and select  Options , or click the menu button   and choose  Options . Select the  Advanced  panel, followed by the  General  tab. Next to  Message Store Type for new accounts , select  File per message (maildir) . Any email account created from now on will ...