Enterto
- Offers free random disposable email aliases forwarding to the user's true address.
- http://mail.enterto.com/

Netmails.net
- Provides users with up to 500 disposable email addresses mapped to a single inbox and a web-based email account.
- http://www.netmails.net/

DontReg
- Offers temporary email address, and a public editable database.
- http://www.dontreg.com/

Spaml
- An instant disposable email service with less user interaction. It is a "no-click" service, where the user does not need to click to get the disposable address.
- http://www.spaml.com/

Wikipedia: Disposable E-Mail Address
- Encyclopedia article with background information and a discussion of advantages and disadvantages.
- http://en.wikipedia.org/wiki/Disposable_e-mail_address

ZoEmail
- Offers cummercial anti-spam and webmail solutions.
- http://www.zoemail.com/index.php

YEP that URL!
- Offers free disposable email addresses with webmail access, and a random address.
- http://mailx.yep.it/

temporaryinbox.com
- Offers both temporary disposable email addresses and forwarding aliases for free.
- http://www.temporaryinbox.com/

TempInbox
- Offers free, receive only temporary email accounts. Also supports RSS feeds of incomming emails.
- http://www.tempinbox.com/

Spamex
- Offers commercial disposable email address solutions.
- http://www.spamex.com/

Spambox
- Offers free forwarding aliases which last between 20 minutes to 1 year, upon users decision.
- http://www.spambox.us

SpamBob.com
- Offers free disposable email addresses, and forwarding alaisses.
- http://spambob.com/

ShieldedMail
- Offers free anti-spam and anti-phishing solutions, through which one can send and receive messages without disclosing their true email address.
- http://www.shieldedmail.com/

PookMail
- Offering disposable email addresses which last for 24 hours.
- http://www.pookmail.com/

Guerrilla Mail
- Provides temporary disposable e-mail addresses which expire after 15 minutes. You can read and reply to e-mails that are sent to the temporary e-mail address within the given time frame. The address is not chosen by the user.
- http://www.guerrillamail.com/

GishPuppy
- Offers free disposable email forwarding service for blocking spam.
- http://www.gishpuppy.com/

Collaborative Protection Against Disposable Email
- Offers a black list of web sites which offer disposable email addresses, for webmasters who want to prevent such access to their web sites.
- http://undisposable.org/

We DEspam.IT
- Offers free disposable email addresses lasting for 30 minutes.
- http://we.despam.it/

2Prong
- Offers no click disposable email addresses.
- http://2prong.com/

10MinuteMail
- Offers temporary email addresses which last for 10 minutes. Users can choose the email address.
- http://www.10minutemail.com

DodgeIt
- Offers temporary email addresses which last for 7 days. Users can choose the email address.
- http://www.dodgeit.com/

E4ward
- Allows free e-mail forwarding using a temporary alias to block out spammers. It also allows the users to set up aliasses for their previously registered domain name.
- http://www.e4ward.com/

Spam Gourmet
- Provides disposable e-mail addresses. Users can also set up rule sets for trusted or permitted senders.
- http://www.spamgourmet.com/

Sneakemail
- Provides disposable e-mail addresses to communicate with businesses that are not fully trusted, then immediately delete the addresses if spam starts coming in through them.
- http://sneakemail.com/

MailMoat
- Provides disposable email forwarding addresses which automatically die after a date or a number of forwarded messages set by user, or can be killed at any time.
- http://www.mailmoat.com/

Mailinator
- Offers web-based access to temporary public mail accounts that are created on the fly as mail comes in.
- http://www.mailinator.com/