Code refactroing for detecting the value of Status
Analyzing test for Maikugi::MTA::OpenSMTPD
Code refactoring for setting the value of deliverystatus
Analyzing test for Maikugi::MSP::US::Google
Analyzing test for Maikugi::MSP::US::Facebook
Analyzing test for Maikugi::MSP::JP:KDDI
Analyzing test for Maikugi::MSP::JP:Biglobe
Analyzing test for Maikugi::MSP::US::Verizon