POWER OF ATTORNEY
Know by all these present, that the undersigned hereby constitutes and appoints
Timothy J. Heasley the undersigned's true and lawful attorney-in-fact to:
1. execute for and on behalf of the undersigned, in the undersigned's capacity
as an officer and/or director of Synacor, Inc. (the "Company"), (i) Forms 3, 4
and 5 and any other forms required to be filed in accordance with Section 16(a)
of the Securities Exchange Act of 1934 and the rules thereunder (a "Section 16
Form") and (ii) a Form ID and any other forms required to be filed or submitted
in accordance with Regulation S-T promulgated by the United States Securities
and Exchange Commission (or any successor provision) in order to file a Section
16 Form electronically (such forms, together with the Section 16 Forms, the
"Forms");
2. do and perform any and all acts for and on behalf of the undersigned that may
be necessary or desirable to complete and execute any such Forms, complete and
execute any amendment or amendments thereto, and timely file such Forms with the
United States Securities and Exchange Commission and any stock exchange or
similar authority; and
3. take any other action of any type whatsoever in connection with the foregoing
which, in the opinion of such attorney-in-fact, may be of benefit to, in the
best interest, or legally required by, the undersigned, it being understood that
the documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorney-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed this 14th day of January, 2019.
By: /s/ Michael J. Montgomery
Name: Michael J. Montgomery