1. This is another result of the fact that qmail lowercases the entire local part of addresses.
这是另外一个qmail转换地址的整个部分为小写字符的后果。
2. The translation must follow the punctuation, the uppercases and lowercases of the original text.
翻译工作应该遵循标点符号、大写字母和小写字母的使用。