Thunderbird 3 is a major step backwards for large IMAP email accounts

james January 19th, 2010

After having used TB3 as my primary email client for about a week, I have concluded that TB3 is a MAJOR step backwards for email function. I will be rolling back all syncing / downloading of imap folders and only syncing a select few folders on this workstation.

Here are the major issues (as a supplement to my prior TB3 post):
1) Massive processor utilization even on powerful 64bit, 8gb of ram, ssd drive, 3ghz multi-core machines. TB3 kills laptops and endlessly tries and fails to perform its function.
2) Failure to send, failure to copy, freezing. As I write this, TB3 is using 60% of my processor and sending of messages is failing. My smtp is not down and everything else regarding that mail account is functional. If I were to restart TB3, it would work for a few emails before eventually failing on some particular email or freezing entirely.
3) 20gb of usage to massively sync up email on this workstation has only led to constant failure with TB3, I will be rolling back all syncing and only selecting a few common folders as I had done with TB2.
4) TB3 rarely ends its process when closed. I have to manually go to Windows 7 Task Manager and kill the process manually.

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