Cambridge Mail Server: Exim 4.70 Provides Better Spam Protection
Exim 4.70, a mail server developed at the University of Cambridge, combines new features and bugfixes.
The new Exim server provides native support of DomainKeys Identified Mail (DKIM), so as no longer to depend on external libraries. DomainKeys are cryptographic extensions for mail headers that confirm the domain source for messages. DKIM should help fight spam and phishing attempts.
A further Exim feature is support for Distributed Checksum Clearinghouses (DCC), a system that checks well-known spams against their checksums, albeit the feature being still in an experimental stage.
Developers also removed the embedded library for Perl Compatible Regular Expressions (PCRE) from the server, because most operating systems provide their own library for the purpose. The project changelog also lists a slew of fixed bugs.
Exim 4.70 source code is available for download as an RPM package from the project homepage. The license is GPL.
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.

News
-
Linux Mint 20 Reaches EOL
With Linux Mint 20 at its end of life, the time has arrived to upgrade to Linux Mint 22.
-
TuxCare Announces Support for AlmaLinux 9.2
Thanks to TuxCare, AlmaLinux 9.2 (and soon version 9.6) now enjoys years of ongoing patching and compliance.
-
Go-Based Botnet Attacking IoT Devices
Using an SSH credential brute-force attack, the Go-based PumaBot is exploiting IoT devices everywhere.
-
Plasma 6.5 Promises Better Memory Optimization
With the stable Plasma 6.4 on the horizon, KDE has a few new tricks up its sleeve for Plasma 6.5.
-
KaOS 2025.05 Officially Qt5 Free
If you're a fan of independent Linux distributions, the team behind KaOS is proud to announce the latest iteration that includes kernel 6.14 and KDE's Plasma 6.3.5.
-
Linux Kernel 6.15 Now Available
The latest Linux kernel is now available with several new features/improvements and the usual bug fixes.
-
Microsoft Makes Surprising WSL Announcement
In a move that might surprise some users, Microsoft has made Windows Subsystem for Linux open source.
-
Red Hat Releases RHEL 10 Early
Red Hat quietly rolled out the official release of RHEL 10.0 a bit early.
-
openSUSE Joins End of 10
openSUSE has decided to not only join the End of 10 movement but it also will no longer support the Deepin Desktop Environment.
-
New Version of Flatpak Released
Flatpak 1.16.1 is now available as the latest, stable version with various improvements.