Attached files
| file | filename |
|---|---|
| 10-K - FORM 10-K - ZIX CORP | d80465e10vk.htm |
| EX-31.2 - EX-31.2 - ZIX CORP | d80465exv31w2.htm |
| EX-31.1 - EX-31.1 - ZIX CORP | d80465exv31w1.htm |
| EX-32.1 - EX-32.1 - ZIX CORP | d80465exv32w1.htm |
EXHIBIT 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement Nos. 333-33708,
333-36556, 333-83934, 333-89052, 333-100337, 333-100399, 333-100400, 333-101041,
333-105060, 333-107191, 333-107776, 333-107777, 333-108560, 333-109593, 333-112783, 333-118687,
333-120548, 333-124318, 333-127727, 333-128186, 333-130928, and 333-133435 on Form S-3 and Nos.
33-34451, 33-53010, 33-65061, 333-06503, 333-06505, 333-06507, 333-06511, 333-90323, 333-31294,
333-55068, 333-61822, 333-62604, 333-74890, 333-96663, 333-104532, 333-104533, 333-105059,
333-107778, 333-112514, 333-115638, 333-115639, 333-126571, 333-126576, 333-141508, 333-144196, and
333-144197 on Form S-8 of our report dated March 10, 2011, relating to the consolidated financial
statements of Zix Corporation and subsidiaries and our report dated March 10, 2011, relating to
effectiveness of internal control over financial reporting appearing in this Annual Report on Form
10-K of Zix Corporation and subsidiaries for the year ended December 31, 2010.
/s/
WHITLEY PENN LLP
Dallas,Texas
March 10, 2011
Dallas,Texas
March 10, 2011