The Internal Revenue Service (IRS) has a requirement for brand name ZixCorp products and services. For information purposes, the supply/services described shall be in accordance with the Department of Treasury/Internal Revenue Service (IRS) Statement of Work Statement entitled, “ZixGateway Enterprise”. The solicitation (RFQ 2032L226Q00014) will be available on or about the second week of January 2026 and will be distributed solely through NASA SEWP. All future information about this acquisition, including solicitation amendments, will also be distributed solely through NASA SEWP (NASA SEWP Home). Interested parties are responsible for monitoring that site to ensure that they have the most up-to-date information about this acquisition. The estimated closing date of (RFQ 2032L226Q00014) will be on or about the end of January 2026. Please refer to NASA SEWP for exact dates. All responsible sources may submit a quote through NASA SEWP. No telephone requests, written requests, or questions for/about this solicitation will be accepted outside of NASA SEWP.