Update table: MSP::US::Yahoo
Implement MTA module for Yandex.Mail
Fix code for detecting a remote host and a local host
Call Sisimai::MSP::RU::Yandex
Add MSP/RU/Yandex.pm into the list
Sample email from Yandex.Mail
Test code for Sisimai::MSP::RU::Yandex
Fix a newline: CRLF => LF
Update table
Increment version: 4.1.6
Sisimai 4.1.6