[1] It uses a client-server design and supports the sending and receiving of faxes as well as text pages, on any scale from low to very high volumes, if necessary making use of large numbers of modems.

Following the 4.0pl0 release in September 1996, Leffler began to leave working on the project, which caused development to slow dramatically.

Some HylaFAX community members were frustrated that code releases and development work did not increase noticeably after the maintainership transition.

In early 2000, newcomer Lee Howard began assisting Nickerson to prepare the next release after development had once again slowed down.

In March 2002, Nickerson started iFAX, Inc., endeavoring to sell and commercialize HylaFAX in particular to enterprise customers.