thunderbird: export message filters
one can export/import/backup the message filters but it's more involved than it should be.
the message filters are in single files within your home directory. their path is
[code language="bash"]
~/.thunderbird/<profileStr>/ImapMail/<mailAcc>/msgFilterRules.dat
[/code]
For example
[code language="bash"]
~/.thunderbird/asdbasbdas.default/ImapMail/mail.yahoo.ru/msgFilterRules.dat
[/code]