proton mail

MailSend is a Win32 command-line SMTP e-mail sender supporting attachments.

100% safe-secure way to send your mass mail.

An e-mail and news client with a powerful message search system.

it has an easy to use interface,and AllegroMail makes e-mail a snap.

Free Email Anti-spam Filter for all POP3 mail clients.

It can notifies you when new messages arrive on your POP3 mail server.

The e-mail client to deliver newsletters.

Email Anti Spam Filter for POP3 mail clients like Outlook and Outlook Express.

ZAPaSPAM for Outlook and Outlook Express - Completely eliminates unwanted e-mail

Surf It! can send and check e-mail, ANONYMOUNS E-MAILER, SEND VOICE E-MAILS.