收到您的邮件后,我认为有必要再重复以下问题。求翻译

After receiving your mail, I think that it is necessary to repeat the following questions

I think it's necessary to repeat the follwoing questions after getting your email.

After getting your mail,I think it's necessary to repeat the promlems below again.

收到您的邮件后,我认为有必要再重复以下问题after receiving your email, i think it is necessary to emphasize the following problems.

After reading your email, I think it is important to emphasize the problems as below:
收到您的邮件后,我认为有必要再重复以下问题。