You might already know that Thunderbird improvements are no longer paid for by Mozilla. Fortunately there is an active community keeping it running and developing it further. But to survive long term, the project needs funding.
Rik'in jub'a' awetaman chik chi ri taq rutzil Thunderbird man e tojel ta chik ruma Mozilla. Matyox chi re ri samajel tinamït ruma tajin nub'än chi nisamäj chuqa' tajin ninuk'ub'ëx. Xa xe chi nik'ase' k'ïy q'ijul, ri nimasamaj nrajo' rupwaq.