Updated: 10/03/2021

Code:
Hotmail - user@hotmail.com - https://outlook.live.com
Outlook - user@outlook.com - https://outlook.live.com
Outlook - user@outlook.pt - https://outlook.live.com
Outlook - user@outlook.co.id - https://outlook.live.com
Live - user@live.ru - https://outlook.live.com
Gmail - user@gmail.com - http://gmail.com
Gmail - user@googlemail.com - http://gmail.com
Yahoo - user@yahoo.com - http://mail.yahoo.com
AOL - user@aol.com - http://mail.aol.com
Sapo Mail - user@sapo.pt - http://mail.sapo.pt
Zoho - user@zohomail.eu - https://www.zoho.com/mail/
ProtonMail - user@protonmail.com - https://protonmail.com/
ProtonMail - user@protonmail.ch - https://protonmail.com/
ProtonMail - user@pm.me - https://protonmail.com/
Email.it - user@email.it - https://www.email.it/mail.php
Tutanota - user@tutanota.com - https://mail.tutanota.com/signup
Tutanota - user@tutanota.de - https://mail.tutanota.com/signup
Tutanota - user@tutamail.com - https://mail.tutanota.com/signup
Tutanota - user@tuta.io - https://mail.tutanota.com/signup
Tutanota - user@keemail.me - https://mail.tutanota.com/signup
GMX - user@gmx.com - https://signup.gmx.com
GMX - user@gmx.us - https://signup.gmx.com
GMX - user@gmx.de - https://strierung.gmx.net
GMX - user@gmx.net - https://strierung.gmx.net
GMX - user@mein.gmx - https://strierung.gmx.net
GMX - user@gmx.at - https://strierung.gmx.net
GMX - user@gmx.ch - https://strierung.gmx.net
Blogger - user.12345@blogger.com - http://blogger.com
@mail.ru - user@mail.ru - http://mail.ru
@mail.ru - user@inbox.ru - http://mail.ru
@mail.ru - user@list.ru - http://mail.ru
@mail.ru - user@bk.ru - http://mail.ru
Mail.de - user@mail.de - https://signup.mail.de/de/
Web.de - user@web.de - https://registrierung.web.de/
Yandex - user@yandex.com - https://mail.yandex.com/
SecMail - user@secmail.pro - http://secmailw453j7piv.onion/
UKR.net - user@urk.net - https://accounts.ukr.net/registration
Livemail - user@livemail.tw - https://livemail.tw

CTemplar - user@ctemplar.com - https://mail.ctemplar.com/create-account?plan=FREE
Invite codes - invite-codes@ctemplar.com

Other email tools
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10MinuteMail - random@random.com - https://10minutemail.net/
10MinuteMail - random@random.com - https://10minutemail.com/
Guerrilla Mail - random@random.com - https://www.guerrillamail.com/
Mailinator - random@random.com - https://www.mailinator.com/
E4Ward - random@random.com - http://e4ward.com/
ThrowAwayMail - random@random.com - http://www.throwawaymail.com/en
SMailPro - user.12345@gmail.com - https://smailpro.com
SMailPro - user.12345@googlemail.com - https://smailpro.com
SMailPro - user@stempmail.com - https://smailpro.com
SMailPro - user@donymails.com - https://smailpro.com
MailGen - user@mailgen.pro - https://mailgen.biz
MailGen - user@mailgen.biz - https://mailgen.biz
MailGen - user@mailgen.fun - https://mailgen.biz
MailGen - user@mailgen.pw - https://mailgen.biz
MailGen - user@mailgen.club - https://mailgen.biz
MailGen - user@mailgen.info - https://mailgen.biz
MailGen - user@mailgen.xyz - https://mailgen.biz
Lttrx - user@lttrx.xyz - https://lttrx.xyz
Emkei's Fake Mailer - https://emkei.cz