An e-troduction is an introduction made over e-mail.
I really think my friend Craig would dig your friend, Jocelyn. Shoot me her e-mail address and I'll make an e-troduction.
introducing two people thru email, facebook, linked in or any other electronic form/ online networking site.
Hey Michael, I would like to e-troduce you to Jan Levinson, she is the VP of Regional Operations for Dunder Mifflin.
Dude, I saw that hottie on your FB, e-troduce me to her.