# # 2014 Victor Ustugov # # # prom.ua # header __PROM_UA_Return_Path Return-path =~ /^\s*$/ header __PROM_UA_X_Envelope_From X-Envelope-From =~ /^\s*$/ header __PROM_UA_Message_ID Message-ID =~ /^\s*<2[01]\d\d(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])[0-5]\d[0-5]\d[0-5]\d\.\d+\.\d+\@\S+\.leaseweb\.uaprom>$/ meta __PROM_UA (__PROM_UA_Return_Path || __PROM_UA_X_Envelope_From) && __HAS_X_Mailru_Msgtype && __PROM_UA_Message_ID