1.Thank you for your e-mail.
感謝你的來信。
Thank you for contacting the Customer Assistance Center.
感謝您聯(lián)系客戶援助中心。
Thank you for your e-mail on May 11th.
感謝您5月11日的來信。
I appreciate your kind reply to my question.
感謝您耐心回答我的問題。
2.It's good to hear from you.
收到您的消息真好。
It's always great from you.
收到您的消息總是很高興。
It's wonderful to hear from you. How have you been?
收到您的消息真是太棒了。您最近過得怎么樣?