Sisimai 4.21.0 has been released. This release include some bug fixes and code improvements for a bounce mail from G Suite (new MTA module Sisimai::MSP::US::GSuite).
[Both] Experimental implementation: new MTA module “Sisimai::MSP::US::GSuite” to parse bounce mails returned from G Suite. Thanks to @racke at issue #218.
[Both] Improved Sisimai::SMTP::Status->find(). The method checks whether a foun value as D.S.N. is IPv4 address or not.
[Both] mproved code for getting error messages, D.S.N. values, and SMTP reply codes in Sisimai::MTA::Postfix->scan() method.
[Both] Issue #212, Sisimai->make and Sisimai::Message->new methods check “field” argument more strictly.