Comparison of webmail providers


The following tables compare general and technical information for a number of notable webmail providers who offer a web interface in English.
The list does not include web hosting providers who may offer email services as a part of hosting package.

General

General information on webmail providers and products
ProductReleasedCostMailbox storageAttachment limitSupported languagesPOP3 supportIMAP supportSMTP supportJMAP supportCryptographic protocol support
AOL Mail1993

25 MB
54
Excite1997
1 GB
Fastmail1999
2 GB to 100 GB
50 MB37
Gandi2008
3 GB, 50 GB25 MB38
Gmail2004
; $6/user/month on the user's domainfree: 15 GB ;
paid: 30 GB		25 MB
71
GMX Mail
1997
1.5 GB
5–10 GB
20 MB
50–100 MB
German
HEY
2020
100 GB?English
?
Hushmail1999
10 GB
20 MB per file, total 50 MB per mailEnglish
iCloud2011
5 GB, 50 GB, 200 GB, or [|2] TB monthly
20 MB

4
Kolab Now2013
2 GB, can purchase more?English
Lycos1997
5 GB
35 MB
English
Mail.com1996

30 MB
3
Mail.ru1998
50 MB
11
Mailfence2013500 MB
5 GB or 20 GB or 50 GB 		10 MB
50
7
Outlook.com
1996
2012
15 GB25 MB
106
Posteo2009
2 GB storage
50 MB3
ProtonMail2013
500 MB
5 to 20 GB		25 MB
10
Rackspace2001$2.99/user/month25 GB50 MB12
Rediffmail1997

25 MB
11
Runbox20001 GB 100 MB 2
Tutanota2011
1 GB
25 MB
30
Yahoo! Mail1997
1 TB25 MB
27
 except classic version.
Yandex Mail2000
22 MB per file, total 30 MB per mail 10
Zoho Mail2008
5 GB "Lite".
"Standard": 10 & 15 GB
20MB free, 30 or 50 MB paid
16
ProductReleasedCostMailbox storageAttachment limitSupported languagesPOP3 supportIMAP supportSMTP supportJMAP supportCryptographic protocol support

Digital rights

Verification

Security information users must provide to verify and complete the registration when opening an account:
ProductSMS verificationSecondary email verificationProprietary captcha
AOL Mail
Excite
FastMail
Gandi
Gmail
GMX Mail
Hushmail
iCloud
Laposte.net
Lycos
Mail.com
Mail.ru
Mailfence
Outlook.com
ProtonMail
Rackspace
Rediffmail
Runbox
Tutanota
Yahoo! Mail
Yandex Mail
Zoho Mail

Secure delivery

Features to reduce the risk of third-party tracking and interception of the email content; measures to increase the deliverability of correct outbound messages.

Other

Unique features

NameFeatures
FastMailOne time passwords; spam filter; backscatter detection; deletion of selected attachments. Android and IPhone apps.
GmailAccount verification via SMS or voice call in some countries; Messages grouped into "conversations"; "Normal" view via Settings; Labels instead of folders; Undo send
Laposte.netspam filter, deletion of selected attachments, address book and calendar/agenda, import/export features for mails, contacts and calendar events, messages in "normal" view or grouped into "conversations", custom signatures for each alias, filters for organizing your emails, holiday mode, mobile app for smartphones, integration with Digiposte.
MailfenceClient-side encryption with email expiration, Digital signatures, Full OpenPGP inter-operability and support, Integrated account keystore, Multiple PGP keypair support, Public keyserver connection, Full reversibility and key revocation, Full email-suite, Shared mailbox and collaboration with group members
Outlook.comOne-time password, Mobile alerts, Account verification via SMS or voice call in some countries, Rules, Messages grouped into "conversations", Scheduled Cleanup, Filter to e.g. only see newsletters or Emails from contacts, Recover deleted emails; Key encryption for paid accounts
ProtonMailClient-side encryption, email expiration, automatic encryption for ProtonMail-ProtonMail emails, optional email encryption for messages from ProtonMail to other providers
RackspaceWhite label option for resellers; Webmail chat; Recover deleted emails; Shared contacts and calendars; SMS based password recovery; Integrated Cloud Drive file storage with document and spreadsheet editors; Attach files from Dropbox
Rediffmailsign-in via Google, Yahoo!, Facebook, Twitter, Mobile Sync; Indrive.
TutanotaClient-side encryption, automatic encryption of mailbox, automatic encryption of emails between Tutanota users, optional email encryption for messages from Tutanota to other providers
Yandex MailNo ads, email for own domains, scheduled email delivery, SMS verification, sign-in via Twitter, VK, Facebook, Google Profile
Zoho MailEmail Sharing, Folder Sharing, Collaborating with other users by Chat/ Social media for organization, Filters, Schedule and send emails, reminders, Notes, Tasks, Bookmarks and so on.

Features

Service NameAutomatic forwardingEmail client accessClient email for other serverIntegration with IM serviceDomain
Name
customization		Interface
script
technique		Virus scanningFilters out emails with executable attachmentsCustom "From:" AddressAddress modifiers Server hosted public keyring Shared key encryption
AOL Mail
AOL Instant MessengerJavaScript/ Ajax
?
FastMail

 HTML/ JavaScript/ CSS/AjaxConfigurable with user filtering rules
Gmail
SSL/TLS supported
SMTP restricted
Google Talkbeta, AOL Instant MessengerHTML/ JavaScript/ AjaxYes, including.exe files in zip filesYes, limited.
Feature restricted to preconfigured addresses. Addresses not registered in advance with Gmail are blocked.
HushmailHTML/ JavaScript/ Ajax?, unlimited email aliases for paid subscribers
Laposte.netNoYes SSL/TLS supportedYes
SSL/TLS supported		NoNouser can choose between HTML or AjaxYes?Yes NoNoNo
Mail.com
SSL/TLS supported
Google Talk HTML/ JavaScript/ Ajax2Yes, including.exe files in zip files
Mail.ru

ICQ, Custom HTML/ Ajax
??
Mailfence
, DAVx supported		XMPPHTML/ Ajax, including.exe in zip files
Outlook.com

Skype, Google Hangouts, Facebook ChatHTML/ JavaScript/ CSS/AjaxYes, including.exe files in zip files
ProtonMail?JavaScript/Ajax
Rackspace
SSL/TLS supported		?CustomHTML/ JavaScript/ CSS/Ajax, including.exe in zip files
rediffRediff BolJavaScript/ Ajax2??
Runbox
SSL/TLS supported
SSL/TLS supported		HTML/ JavaScript/ CSS/Ajax/ Canvas
If discarded by virus scanner
Selectable while composing; saved identities
Seznam.cz
SSL/TLS supported
HTML/ JavaScript
??
Tutanota?JavaScript
Yahoo! Mail
SSL/TLS supported
Yahoo! MessengerHTML/ JavaScript/ CSS/Ajax
Yes, including.exe files in zip files
& only 10 addresses
Yandex Mail
HTML/ JavaScript/ CSS/Ajax
Configurable or/and if discarded by antivirus, only from confirmed addresses
Zoho MailAjax??
Service nameAutomatic forwardingEmail client accessClient email for other serverIntegration with IM serviceDomain
Name
customization		Interface
script
technique		Virus scanningFilters out emails with executable attachmentsCustom "From:" AddressAddress modifiersServer hosted public keyring Shared key encryption