这句英语有没有语病！什么意思？正确的应该怎么写？

邮件是单数还是复数呢？

Here are some mails for you, please check them.

Here are four yours mails, please do note searches and collects!

有问题，但是根本不知道它要明确表达些什么

this mail goes for you ,please make a note that you have received it