Yes. SendMail is totally free to use. You can send instant emails without creating an account.
There is no limitation for sending emails. But we do our best to avoid spams and misuse of this service.
By default, we are not allowing attachments. But don't worry there is an option for you. You can use SafeNote to upload a file and paste SafeNote link on email body.
Reply-To email address is where the reply emails lands in. You can keep this field empty if you don't wish to receive emails from the recipient.
You can use any email address but we recommend to use altmails email address. Because it's the secure way to receive emails.
Yes, you can. All you have to do is fill optional two fields(your email address and reference name for the email) which are last on the form.