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Exim

Server App

Exim 4.99 is the newest actively maintained release, currently at patch 4.99.1. 1 of 41 tracked cycles remain supported.

Latest version

4.99.1

Dec 14, 2025

Actively maintained cycles

1

of 41 tracked

Total cycles tracked

41

since Feb 17, 2005

Support pattern

How Exim has behaved across the cycles tracked here, rather than what its policy documents state. Useful for judging how much runway a version is likely to have before you commit to it.

Typical support window

5 months

median of 40 completed cycles

New cycle roughly every

5 months

median gap between releases

Compared with server app

−9 mo

shorter than the server app median

Support windows are getting longer: the most recent cycles run about 6 months longer than the earlier ones.

Computed from release and end-of-life dates tracked for Exim. Medians are used rather than averages so one unusually short or long release does not skew the figure. Cycles with no recorded end-of-life date are excluded from the support window.

Release lifecycle

Actively maintainedSecurity support onlyEnd of life
Today
4.99Latest
4.99.1 · Dec 14, 2025
4.98
EOL Oct 28, 2025
4.97
EOL Jul 10, 2024
4.96
EOL Nov 4, 2023
4.95
EOL Jun 25, 2022
4.94
EOL Sep 28, 2021
4.93
EOL Jun 1, 2020
4.92
EOL Dec 8, 2019
4.91
EOL Feb 10, 2019
4.90
EOL Apr 15, 2018
4.89
EOL Dec 19, 2017
4.88
EOL Mar 7, 2017
4.87
EOL Dec 18, 2016
4.86
EOL Apr 6, 2016
4.85
EOL Jul 26, 2015
4.84
EOL Jan 12, 2015
4.83
EOL Aug 11, 2014
4.82
EOL Jul 21, 2014
4.80
EOL Oct 28, 2013
4.77
EOL May 31, 2012
4.76
EOL Oct 10, 2011
4.75
EOL May 9, 2011
4.74
EOL Mar 22, 2011
4.73
EOL Jan 25, 2011
4.72
EOL Dec 27, 2010
4.71
EOL Jun 3, 2010
4.70
EOL Nov 24, 2009
4.69
EOL Nov 14, 2009
4.68
EOL Dec 2, 2007
4.67
EOL Aug 31, 2007
4.66
EOL Apr 18, 2007
4.65
EOL Jan 8, 2007
4.64
EOL Jan 2, 2007
4.63
EOL Dec 20, 2006
4.62
EOL Aug 1, 2006
4.61
EOL Apr 29, 2006
4.54
EOL Apr 5, 2006
4.53
EOL Oct 4, 2005
4.52
EOL Sep 26, 2005
4.51
EOL Jul 1, 2005
4.50
EOL May 4, 2005
2005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

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