Free and open source webmail software for the masses, written in PHP

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Roundcube Webmail 1.5.1

  -  7.5 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Roundcube Webmail 1.5.1.


For those interested in downloading the most recent release of Roundcube Webmail or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download Roundcube Webmail 1.5.1

  • Roundcube Webmail 1.5.1 Screenshots

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    Roundcube Webmail 1.5.1 Screenshot 1
  • Roundcube Webmail 1.5.1 Screenshot 2
  • Roundcube Webmail 1.5.1 Screenshot 3
  • Roundcube Webmail 1.5.1 Screenshot 4
  • Roundcube Webmail 1.5.1 Screenshot 5

What's new in this version:

Fixed:
- importing contacts with no email address
- so session's search scope is not used if search is not active
- some PHP8 warnings
- so dark mode state is retained after closing the browser
- bug where new messages were not added to the list on refresh if skip_deleted=true
- colors on "Show source" page in dark mode
- handling of dark_mode_support:false setting in skins meta.json - also when devel_mode=false
- database initialization if db_prefix is a schema prefix
- undefined constant error in Installer on Windows
- installation/upgrade on MySQL 5.5 - Index column size too large
- regression in setting of contact listing name
- bug in Larry skin where headers toggle state was reset on full page preview
- bug where \u200b characters were added into the recipient input preventing mail delivery
- charset conversion errors on PHP < 8 for charsets not supported by mbstring
- bug where adding a contact to trusted senders via "Always allow from..." button didn't work
- bug with show_images setting where option 1 and 3 were swapped
- PHP fatal error on an undefined constant in contacts import action
- fetching headers of multiple message parts at once in rcube_imap_generic::fetchMIMEHeaders()
- bug where attachment download could sometimes fail with a CSRF check error
- an infinite loop when parsing environment variables with float/integer values
- so 'small-dark' logo has more priority than the 'small' logo

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