The following tracking is sent in an email from GiffGaff: http://giffgaff.com/
http://redir.info.giffgaff.com/r/?id=CODEGOESHERE
GiffGaff Email [Tracking]
I've added it, however if you're reporting any more Email trackers also submit an Adblock Plus report link.
https://hg.adblockplus.org/easylist/rev/5db73a910ea5
https://hg.adblockplus.org/easylist/rev/5db73a910ea5
I'm not sure that's doable in Thunderbird? I don't see the option in the dropdown. Is there a keyboard shortcut?
Or a screenshot image of the blocked items, just need some evidence of any suggested filters.