Multiple License Sizes: LISTSERV comes in multiple license sizes, making it ideally suited for small and large customers alike. Upgrading to a larger license is always easy and does not normally require reinstallation.
Virus Protection: LISTSERV is the only software of its kind with built-in virus protection (for Windows and Linux). The system scans all messages for viruses before delivery, keeping the lists safe and secure.
Deliverability: LISTSERV provides a deliverability assessment, which analyzes LISTSERV and DNS configurations, giving concrete suggestions on improving deliverability. The content analysis feature evaluates individual messages, highlighting potential problem areas before delivery.
Spam Control: LISTSERV offers an integrated blacklist/whitelist system and compatibility with third-party spam filters, which can be used to prevent spam from reaching the LISTSERV site.
Customizable Web Interface: LISTSERV's Web interface can be completely customized to fit seamlessly with an existing Website, which allows customers to maintain a uniform look and feel for their entire Web presence.