INVITATION TO BID #26-060 MIMECAST ARCHIVING AND SECURITY CITY OF O’FALLON, MISSOURIThe City of O'Fallon, Missouri is accepting sealed bids for Mimecast Archiving and Security. Specifications are available at www.ofallonmo.gov/bid-opportunities. Interested vendors should submit sealed bids clearly marked "#26-060 MIMECAST ARCHIVING AND SECURITY" to the City of O'Fallon, Attn: Garrett O'Mara, Purchasing Agent, 100 North Main Street, O'Fallon, MO 63366 by 2:00 P.M. CST on November 24, 2026. The City of O'Fallon reserves the right to reject any and all bids and waive any irregularities. The City of O'Fallon also reserves the right to select the lowest and/or best bidder as determined by the City in its sole discretion. 4210488 St. Charles. Nov. 6, 2026