The new Opacus SugarCRM Thunderbird plugin offers support for SugarCRM version 5.5 and upwards, including for the brand new version 6.1.
Visit (Visit Link) for a free licence key.
+ Archive multiple emails to Sugar records at once
+ Archive email attachments
+ Search by case number, email address or record subject / name
+ Use of the new v2 REST api inside Sugar for maximum speed
+ New mail notification
+ Send and Archive
+ Works with Thunderbird 3.0 - 3.1.*