Attached files

file filename
EX-31.1 - EXHIBIT 31.1 - UNITED ONLINE INCa2196581zex-31_1.htm
EX-31.2 - EXHIBIT 31.2 - UNITED ONLINE INCa2196581zex-31_2.htm
EX-23.1 - EXHIBIT 23.1 - UNITED ONLINE INCa2196581zex-23_1.htm
EX-21.1 - EXHIBIT 21.1 - UNITED ONLINE INCa2196581zex-21_1.htm
EX-32.2 - EXHIBIT 32.2 - UNITED ONLINE INCa2196581zex-32_2.htm
EX-10.15 - EXHIBIT 10.15 - UNITED ONLINE INCa2196581zex-10_15.htm
10-K - 10-K - UNITED ONLINE INCa2196581z10-k.htm

QuickLinks -- Click here to rapidly navigate through this document

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002

        I, Mark R. Goldston, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

    (a)
    The Annual Report on Form 10-K of United Online, Inc. for the year ended December 31, 2009, as filed with the Securities and Exchange Commission fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

    (b)
    The information contained in such report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 23, 2010    

/s/ MARK R. GOLDSTON

Mark R. Goldston
Chairman, President and Chief Executive Officer

 

 



QuickLinks

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002