Question

3 What is a
Signatione
in e-mail​

Answer 1

Answer:

A signature block (often abbreviated as signature, sig block, sig file, .sig, dot sig, siggy, or just sig) is a personalized block of text automatically appended at the bottom of an email message, Usenet article, or forum post.

Explanation:

please mark me as brainlist

Answer 2

Answer:

a email that contains singnature to the e-mail to thevsmartphone