Proofpoint Email Security and Protection - Learn about Proofpoint's email security solutions that protect organizations against threats such as email fraud, phishing, spam, bulk email, and viruses.

imapsync - Console-based utility for migrating IMAP mailboxes.

Symantec Email Security.cloud - Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats

MailStore - MailStore Home - A 100% free single-private-user desktop solution

Cisco Email Security - Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.

audriga Email and Groupware migration - Easily migrate your email, contacts, calendar items and tasks to your new provider or server. No software installation is required.