Php MIME Mail Sender

The requirement is listed below: 1. php build a web interface for client to submitting text and photo using http post 2. client send request to server using http post, input parameters are email address, subject, email size limit, and content parameters 3. text and photo can be in any sequence. The post parameter is like that: para1:hello, para2:[login to view URL], para3:[login to view URL], para4:bye etc 4. the php program will transfer the submitted text and photo to mime email 5. the mime email content sequence will follow the parameter sequence 6. the php program will check the content size, if it is over the size limit, will seperate into several emails. n of m will be appended to the subject. For example, if an email is separated into 3 emails, then 1/3, 2/3 and 3/3 will be appended to the email subject respectively