This tender invites bids for the supply and support of Zimbra E-mail Licenses for the National Telecommunication Corporation (NTC) based in Islamabad. The procurement covers subscription and perpetual licenses along with installation, integration, activation, and ongoing support services for a period of three years. The scope includes all necessary software components to ensure a fully functional and operational email system. The contract requires delivery and activation of licenses as per the Bill of Quantity, including subscription licenses for professional and standard editions and perpetual licenses with three years of support. The bidder must provide local presence for maintenance and support, comply with technical specifications, and ensure timely delivery within two weeks of issuance of supply orders. The contract duration is three years with provisions for variation orders and liquidated damages for delays. Bidders must be registered with active Income Tax and Sales Tax status, authorized by the OEM, and not blacklisted. Compliance with PEC and FBR requirements for the fiscal year 2025-26 is essential. Tender security of PKR 2,000,000 and performance security of PKR 5,000,000 are mandatory. The tender follows a single stage-single envelope procedure with bids submitted electronically via EPADS. The submission deadline is **11 March 2026 at 11:00 AM**, with bid opening at 11:30 AM the same day at NTC Headquarters, Sector G-5/2 Islamabad. Bidders must upload scanned bid security and all required documents on EPADS. Original bid security must reach the office before the deadline. Pro-Tip: Ensure the original bid security reaches the NTC office on time as online submission alone is insufficient and leads to disqualification. Also, carefully review the technical compliance annexes to avoid rejection on technical grounds.