Exim End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Exim versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 4.50 | 4.50 | Feb 17, 2005 | May 4, 2005 | 7720 days past EOL | EOL |
| 4.51 | 4.51 | May 4, 2005 | Jul 1, 2005 | 7662 days past EOL | EOL |
| 4.52 | 4.52 | Jul 1, 2005 | Sep 26, 2005 | 7575 days past EOL | EOL |
| 4.53 | 4.53 | Sep 26, 2005 | Oct 4, 2005 | 7567 days past EOL | EOL |
| 4.54 | 4.54 | Oct 4, 2005 | Apr 5, 2006 | 7384 days past EOL | EOL |
| 4.61 | 4.61 | Apr 4, 2006 | Apr 29, 2006 | 7360 days past EOL | EOL |
| 4.62 | 4.62 | Apr 28, 2006 | Aug 1, 2006 | 7266 days past EOL | EOL |
| 4.63 | 4.63 | Jul 31, 2006 | Dec 20, 2006 | 7125 days past EOL | EOL |
| 4.64 | 4.64 | Dec 20, 2006 | Jan 2, 2007 | 7112 days past EOL | EOL |
| 4.65 | 4.65 | Jan 2, 2007 | Jan 8, 2007 | 7106 days past EOL | EOL |
| 4.66 | 4.66 | Jan 8, 2007 | Apr 18, 2007 | 7006 days past EOL | EOL |
| 4.67 | 4.67 | Apr 17, 2007 | Aug 31, 2007 | 6871 days past EOL | EOL |
| 4.68 | 4.68 | Aug 30, 2007 | Dec 2, 2007 | 6778 days past EOL | EOL |
| 4.69 | 4.69 | Dec 1, 2007 | Nov 14, 2009 | 6065 days past EOL | EOL |
| 4.70 | 4.70 | Nov 13, 2009 | Nov 24, 2009 | 6055 days past EOL | EOL |
| 4.71 | 4.71 | Nov 23, 2009 | Jun 3, 2010 | 5864 days past EOL | EOL |
| 4.72 | 4.72 | Jun 3, 2010 | Dec 27, 2010 | 5657 days past EOL | EOL |
| 4.73 | 4.73 | Dec 26, 2010 | Jan 25, 2011 | 5628 days past EOL | EOL |
| 4.74 | 4.74 | Jan 24, 2011 | Mar 22, 2011 | 5572 days past EOL | EOL |
| 4.75 | 4.75 | Mar 22, 2011 | May 9, 2011 | 5524 days past EOL | EOL |
| 4.76 | 4.76 | May 9, 2011 | Oct 10, 2011 | 5370 days past EOL | EOL |
| 4.77 | 4.77 | Oct 10, 2011 | May 31, 2012 | 5136 days past EOL | EOL |
| 4.80 | 4.80.1 | May 31, 2012 | Oct 28, 2013 | 4621 days past EOL | EOL |
| 4.82 | 4.82.1 | Oct 28, 2013 | Jul 21, 2014 | 4355 days past EOL | EOL |
| 4.83 | 4.83 | Jul 21, 2014 | Aug 11, 2014 | 4334 days past EOL | EOL |
| 4.84 | 4.84.2 | Aug 11, 2014 | Jan 12, 2015 | 4180 days past EOL | EOL |
| 4.85 | 4.85.2 | Jan 12, 2015 | Jul 26, 2015 | 3985 days past EOL | EOL |
| 4.86 | 4.86.2 | Jul 26, 2015 | Apr 6, 2016 | 3730 days past EOL | EOL |
| 4.87 | 4.87.1 | Apr 6, 2016 | Dec 18, 2016 | 3474 days past EOL | EOL |
| 4.88 | 4.88 | Dec 18, 2016 | Mar 7, 2017 | 3395 days past EOL | EOL |
| 4.89 | 4.89.1 | Mar 7, 2017 | Dec 19, 2017 | 3108 days past EOL | EOL |
| 4.90 | 4.90.1 | Dec 19, 2017 | Apr 15, 2018 | 2991 days past EOL | EOL |
| 4.91 | 4.91 | Apr 15, 2018 | Feb 10, 2019 | 2690 days past EOL | EOL |
| 4.92 | 4.92.3 | Feb 10, 2019 | Dec 8, 2019 | 2389 days past EOL | EOL |
| 4.93 | 4.93.0.4 | Dec 8, 2019 | Jun 1, 2020 | 2213 days past EOL | EOL |
| 4.94 | 4.94.2 | Jun 1, 2020 | Sep 28, 2021 | 1729 days past EOL | EOL |
| 4.95 | 4.95 | Sep 28, 2021 | Jun 25, 2022 | 1459 days past EOL | EOL |
| 4.96 | 4.96.2 | Jun 25, 2022 | Nov 4, 2023 | 962 days past EOL | EOL |
| 4.97 | 4.97.1 | Nov 4, 2023 | Jul 10, 2024 | 713 days past EOL | EOL |
| 4.98 | 4.98.2 | Jul 10, 2024 | Oct 28, 2025 | 238 days past EOL | EOL |
| 4.99 | 4.99.1 | Oct 28, 2025 | TBD | Supported | Active |
What does Exim end of life mean for your organization?
When a version of Exim reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Exim should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Exim versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
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