Composing Mail

How to compose mails?
Why can't I send emails to other sites?
How to make screen shot when I compose emails?
Can I send an email whose size is equal to the limit of attachments?
How long does the recipient receive my email?
How many people can an email send to?
What format can not emails send?
Can my mailbox connect with other mailboxes in the world?
How to guarantee my email are read by the recipient?
I don't finish my email.Can I save first to send later?
How many attachments can an email to send?
How to use auto signature?
What is "Multimedia"?
What is "Read Receipt"?
What is "Urgency"?
How to save a copy in "Sent" folder when sending an email?
How to send email at regular time?
How to change or cancle the regular email?
How to handle the system return letter after I sent an email?
Why can't the recipient receive my email?
Why are the content of emails cleared after I enter "Esc"?
Can I reply a message with the original attachments?
How to use drag and drop attachments?