Make sure the computer sending the email has a Reverse PTR record. You can download Psiphon for Windows PC, Android or iOS, connect to a server, then compose and send your email.
Psiphon is an excellent Internet circumvention tool you can use to hide your IP address when sending emails.
Guide Overview The purpose of this guide is to teach you. Under Send Messages, check the box Always use the default account when composing new messages. You and your approved contacts can send documents to your registered Kindle devices, free Kindle reading applications, and your Kindle Library in the Amazon Cloud by e-mailing them to your Send-to-Kindle e-mail address If you want to use the default email account when clicking New Email regardless what account or folder you start from use the following steps. For your email to be delivered successfully: Add the sender's email. The conversion service automatically opens the ZIP files and converts them to the Kindle format. Compress your documents into a ZIP file to send more than 50 MB.
