Your longest active email account.

[oboeguy]

I suppose it depends on what you mean by "active". My first ever email account from 1992 still forwards to my gmail account. Theoretically, setting the "reply-to" field, I could still have it be "active".

 

[OutHouse]

my yahoo account got it in 1995 or 1996. i just use it for any online forms i have to fill out.