Synacor 8-K Changes in Registrant's Certifying Accountant

_{Exhibit 16.1}

April 8, 2020

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549-7561

Dear Sirs/Madams:

We have read Item 4.01 of Synacor Inc.'s Form 8-K dated April 8, 2020, and have the following comments:

1.We agree with the statements made in first, second and third paragraphs.

2.We have no basis to agree or disagree with the statements made in the fourth paragraph.

Yours truly,

/s/ DELOITTE & TOUCHE LLP