In order to change your sender ID (the phone number which appears to people receiving your SMS) you will be sent a NEW password to the new number. That is the password you must enter in oder to make the new sender ID active. This process is necessary to verify that you are the owner of the new phone number.
Yes, you can do that with our service. However not by forwarding your mail to "yourmobile"@smsmail.com (because only the emails from registered users will be forwarded to you) but by using the email to SMS email address we provide for your in your account. Forward all incoming mail to that address and you will receive them as SMS.
You can't add other email addresses to the additional email addresses
if that address is already registered in the system (or by another
user). If you don't see the address, then it is also won't work for
your account. If you have registered these other email addresses by
error you can let us know and we will delete them from the system for