Harness the power of Thunderbird 38.9.0 on your PowerPC Mac.
Tenfourbird comes in different tuned versions for specific PowerPC processor families:
Tenfourbird is a fast, efficient email always based on the current version of Thunderbird, but unlike the main distribution, Tenfourbird is compatible with OS X 10.4 and 10.5 running on PowerPC processors.
Updated on Jul 27 2016
Note: This is a PPC only application.