Oversend

Yes; and unfortunately sometimes we overorder, and sometimes they oversend, and much of it is thrown away.

Source: wiktionary

As much as parents oversend the message to their millennial children that they are special, there is no denying that the millennial generation is special in some ways.

Source: wiktionary

Don't oversend. That means don't send an e-mail announcement to everyone who may have once sent you an e-mail; it also means don't overburden those who are willingly on your e-mail list because they want relevant information. Oversending e-mails is the surest way to be ignored or find your way to the junk mail file.

Source: wiktionary

DEAR SIR I do hereby oversend you my memorandum for fall goods and an other from Dr. C. Miller for Medicine.

Source: wiktionary