Postfix EOS & EOL timeline

Check Postfix end-of-support (EOS), end-of-life (EOL), release and extended-support dates. Compare versions and plan your next upgrade.

Software18 release timelinesData updated: Oct 26, 2026, 9:58 AM UTC

3.11
Supported
1. ReleasedMar 6, 2026
End of support (EOS)
Not announced
End of life (EOL)
Not announced
Extended support
Not announced
3.10
Supported
1. ReleasedFeb 16, 2025
End of support (EOS)
Not announced
End of life (EOL)
Not announced
Extended support
Not announced
3.9
Supported
1. ReleasedMar 6, 2024
End of support (EOS)
Not announced
End of life (EOL)
Not announced
Extended support
Not announced
3.8
Supported
1. ReleasedApr 17, 2023
End of support (EOS)
Not announced
End of life (EOL)
Not announced
Extended support
Not announced
3.7
End of life
1. ReleasedFeb 6, 2022
2. End of life (EOL)Mar 6, 2026
End of support (EOS)
Not announced
Extended support
Not announced
3.6
End of life
1. ReleasedApr 29, 2021
2. End of life (EOL)Feb 16, 2025
End of support (EOS)
Not announced
Extended support
Not announced
3.5
End of life
1. ReleasedMar 15, 2020
2. End of life (EOL)Mar 6, 2024
End of support (EOS)
Not announced
Extended support
Not announced
3.4
End of life
1. ReleasedFeb 27, 2019
2. End of life (EOL)Apr 17, 2023
End of support (EOS)
Not announced
Extended support
Not announced
3.3
End of life
1. ReleasedFeb 22, 2018
2. End of life (EOL)Feb 5, 2022
End of support (EOS)
Not announced
Extended support
Not announced
3.2
End of life
1. ReleasedFeb 28, 2017
2. End of life (EOL)Apr 29, 2021
End of support (EOS)
Not announced
Extended support
Not announced
3.1
End of life
1. ReleasedFeb 24, 2016
2. End of life (EOL)Mar 15, 2020
End of support (EOS)
Not announced
Extended support
Not announced
3.0
End of life
1. ReleasedFeb 8, 2015
2. End of life (EOL)Feb 27, 2019
End of support (EOS)
Not announced
Extended support
Not announced
2.11
End of life
1. ReleasedJan 15, 2014
2. End of life (EOL)Feb 21, 2018
End of support (EOS)
Not announced
Extended support
Not announced
2.10
End of life
1. ReleasedFeb 11, 2013
2. End of life (EOL)Feb 28, 2017
End of support (EOS)
Not announced
Extended support
Not announced
2.9
End of life
1. ReleasedFeb 1, 2012
2. End of life (EOL)Feb 24, 2016
End of support (EOS)
Not announced
Extended support
Not announced
2.8
End of life
1. ReleasedJan 20, 2011
2. End of life (EOL)Feb 8, 2015
End of support (EOS)
Not announced
Extended support
Not announced
2.6
End of life
1. ReleasedMay 12, 2009
2. End of life (EOL)Feb 11, 2013
End of support (EOS)
Not announced
Extended support
Not announced
2.5
End of life
1. ReleasedJan 24, 2008
2. End of life (EOL)Feb 6, 2012
End of support (EOS)
Not announced
Extended support
Not announced

Support milestones: end of support = Active support; end of life = Security Support. Unknown dates are shown as “Not announced”. Paid extended support is separate from standard end of life. Support windows may vary by version and edition. Timeline spacing is not a duration scale.