I am using thunderbird mail client for gmail accounts,Its works fine,enjoying functionality too. I have problem with this mail client that is when I client inbox its has list of unread mails,once viewed it. its become read mail. thats not happening gmail servers.if login in gmail i m still finding unread mails which i read in thuderbird.
Please help me how to solve these problem, is there any option or setttings or addons which change status of mail when I read it.
Thanks & Regards