1.  As a result, some importat mails are sometimes delayed.

2.  Would you please let me know whether you find the change in timetable acceptable by a return mail or a phone call?

3.  I should be very grateful if you would kindly let me know whether my request is acceptable or not by return mail.

4.  I'm very sorry for the inconvinience caused to you, and please let me know your opinion by return mail.

5.  Please let me know your Decision by return mail.

6.  I'm sorry that the postman have to walk a long way to my new home, but please send my mail to my new address.

7.  I know that my friends had sent some mails to my old apartment.

8.  Please send all my mails to my new address, thank you very much and good luck .

9.  I live in 32, Wenming Road, Tianhe District, Guangzhou.Thank you for sending all my mails to my house these years.

10.  So I want to ask you to send my mails to my new address when I have mails .