SendX.io - SendX (https://sendx.io) provides remarketing and retargeting tools for web businesses. You can use popups, landing pages, email, web push notification, automation workflows and FB / Google retargeting to drive more revenue.
Posteo - Web- and IMAP-based email service. 2GB cost 1€/month.
Nova Inbox - Personalize emails in seconds, right from your inbox
Inbox.lv - Inbox.lv Mail
Mailblast - Email marketing on a budget using Amazon SES
MeMail.com - The ultimate email service for personal, professional and business use. Unique Email Addresses