At least 12 or so I get bored quite easily at work so I sign up for email accounts randomly. I try to get all firstnamelastname@xxx.com email addresses I can. I know, I'm boring. I only use about half of them. The rest are for random mailing lists and such.
one. And just because it's a requirement for signing up to nearly anything now a days; just like a phone number. And just like a phone, I never use my e-mail.
I use gmail for forums and general use.
I use verizon for anything sensitive such as banking, investment accounts, etc.
I haven't used my yahoo account in years..
1 Work
2 Personal (one I use more than the other)
1 Spam account (I give to people I dont care about getting email from, like stores that want an email)
1 gmail (for syncing contacts)
1 at work
1 at school
1 at professional organization
3 Gmail (one for each computer and my iPod Touch I use -- lets me send files between them)
1 ISP (I don't use)
1 continue to pay at former ISP -- it's my oldest active address.
2 at my domain (one for vendor mail)
3 "webmaster" for websites I manage
4 for home business
4 used by my students to submit homework for various courses.