Email security is a priority for all users, with the growing threat of hackers, viruses spam, phishing and identity theft, as well as the need to secure business information. Cyber criminals increasingly choose to hide malicious links and attachments in email to evade spam filters, antivirus (AV) software and traditional email security measures. In fact, 91% of cybercrimes begin with a single email. In this paper are exposed some problems of email services security. Also are analyzed some existing solutions for enhancing the email security level.