Best Open Source Email Security Applications

Email security can be said that security measures adopt to secure the content of an email account or service. Email is an important primary tool for businesses. It can face a number of security threats incoming and outgoing emails. Incoming email messages may consist of spam in the form of attachments and false links, and this malware can wreak havoc on your data. Today we discuss some open source applications that can deliver enterprise-grade security in email.

CipherMail email encryption gateway
CipherMail is an open-source and community version software. It supports multiple encryption standards. These encryptions standards are S/MIME, OpenPGP, TLS, and PDF encrypted email. S/MIME and OpenPGP use public-key encryption (PKI) for encryption and signing, on the other hand, PDF encryption can be used as a lightweight alternative to S/MIME and OpenPGP. Conformal can run on Java and requires Postfix and Tomcat for the Web GUI. It is compatible with almost all existing email infrastructures such as Microsoft Exchange, Lotus Notes, Google Apps for business.

Scrollout F1
Scrollout F1 is an open-source email gateway. It is easy to use an email firewall that offers free anti-spam, anti-virus protection, and data loss. It is also providing almost all email server security like Microsoft Exchange, Lotus Domino, Postfix, Exim, Sendmail, Qmail, and others. It is installed on Debian Linux. It is an excellent solution to improve the quality of the existing email service. It provides a number of features to its users. It provides the features of spammer database pollution by deploying unlimited spam traps for your website. It also provides the support to prevent fake messages that appear to come from your domain.

hMailServer
hMailServer is also another free and open source email server, it also has the features of email security. It provides all of the important functionality you need to run on your own e-mail server. It supports a number of open email standards - POP3, SMTP, and IMAP4. hMailServer provide high security which is pre-configured. It also supported an open-source virus scanner - ClamAV. It provides support to blacklist servers and other spam-stopping mechanisms such as SPF and MX lookups.