我是25号材料delivered，估计是他们开始处理材料时才发email通知？只是收到还是不
行？ 我今天刚收到那个USPS的回执，其它的都没有动静 Texas center的
Update一下，凌晨刚收到短信和邮件，给了Receipt Number
Within 7-10 days by standard mail you will receive your official Receipt Notice (Form I-797) with your Receipt Number XXXXX. With the official Receipt Notice (Form I-797) you may visit www.uscis.gov where you can check the status of your application using My Case Status. We suggest you wait until you have received your Form I-797 before checking My Case Status.
