Spamihilator - The free Anti-Spam-Filter Spamihilator removes more than 98% of spam mails before they even get into your inbox.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
SpamAssassin - Use this program to "Unspam" your mailbox(es).
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Spam Reader - Spam Reader is a free anti-spam add-on for Microsoft Outlook.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.