Spanish to English translations [PRO] Internet, e-Commerce / email
Spanish term or phrase:sede
From a company policy on employees email accounts
Si el origen y el destino están en la misma sede, el único límite es el tamaño del buzón.
Si el origen y destino están en distintas sedes el límite es de 5 MB.
Explanation: When sender and recipient are within the same location/branch, the size is only limited by the capacity of the mail box.
When sender and recipient are at distinct locations/branches, the size is limited to 5 MB.
I would not use headquarters here - usually, a company has headquarters and several branches or departments, so it sounds confusing to talk of several headquarters.
The translation workplace 
