Compare Greatmail vs. mailbox.org

Reliable cloud-based email hosting includes features such as spam filtering, antivirus protection, ample storage, and webmail access. It seamlessly integrates with Outlook as well as various other POP3/IMAP clients. For users with high sending needs, it offers a robust SMTP service designed for responsible senders. Additionally, there is an outbound relay service tailored for transactional emails, marketing campaigns, newsletters, and diverse applications. The infrastructure supports dedicated email servers, clustering, and multiple IP load balancing to accommodate high-volume senders effectively. With a fixed monthly fee, users benefit from unlimited sending capabilities and reputation monitoring. Greatmail stands out as an email service provider (ESP) focused on delivering business-class email hosting, SMTP hosting, and specialized email servers. Furthermore, for ISPs, software developers, and cloud architects, we also create custom solutions featuring dedicated IP servers and load-balanced configurations with multiple servers to meet specific processing needs. This commitment to adaptability ensures that all clients receive the best possible service, tailored to their unique requirements.

mailbox offers a secure digital workplace designed to meet the highest standards of data protection and compliance. Developed and operated in Germany, the mailbox Suite combines email, calendar, contacts, office tools, video meetings, and cloud storage in one simple, intuitive environment. As a European provider, mailbox rejects tracking and data monetisation. We prioritise transparency and user control, giving businesses, institutions, and individuals full digital sovereignty – without compromising productivity. mailbox is part of the Heinlein Group, an expert in secure and open communication for more than 30 years.