Cock.li vs Mailfence

Cock.li is a public email host from Cock.li, founded in 2013, offering email accounts and webmail through the web, Android, and iOS. Its services are free, with the Free plan listed at free. Mail access includes IMAP and POP at mail.cock.li, while XMPP is listed at xmpp.cock.li. Registration does not require personally identifiable information. New accounts cannot send mail until the user completes a browser proof-of-work challenge that uses a few minutes of CPU time. Cock-mail is described as an open-source, client-side webmail client connecting directly to the IMAP server over websockets, but its 0.0.1 alpha release lacks major features including SMTP. The privacy policy says registration details, stored mail, XMPP data, and 48–72 hours of IMAP and SMTP logs may be retained. Email is automatically scanned for spam. Account information is encrypted server-side, but mail may travel without encryption when TLS is unavailable or not attempted.

Mailfence is an email service with end-to-end encryption and access through the web, iOS and Android. Its free plan provides web access and 1 GB total storage, split between 500 MB for email and 500 MB for documents. Paid plans increase storage and, depending on tier, add aliases, custom domains and mail-client protocols. Base costs €2.50/mo (annual) and includes 11 GB total storage, 5 GB for email and 10 aliases, but no custom domain or POP, IMAP, SMTP or EAS access. Entry costs €3.50/mo (annual), with 40 GB total storage, 10 GB for email, 50 aliases, custom domains and POP, IMAP, SMTP and ActiveSync. Pro costs €9.50 per month and includes 78 GB total storage, up to 100 aliases, custom domains, protocol access and priority support. Ultra costs €29.00 per month, billed monthly, with 225 GB total storage, up to 200 aliases, custom domains, protocol access and priority support. Mailfence is headquartered in Brussels, Belgium, and was founded in 1999.