Exim 4.100 released

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Summary

Exim 4.100 has been released with new features including lookups for public suffix and registered domain, native DMARC support, and various security and bug fixes.

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Cached at: 08/22/26, 01:01 AM

# [exim] Exim 4.100 released Source: [https://lists.exim.org/lurker/message/20260820.154633.91995f73.en.html](https://lists.exim.org/lurker/message/20260820.154633.91995f73.en.html) **Author:**Bernard Quatermass via Exim\-announce **Date:** **To:**Exim Announcements, exim\-users **Subject:**\[exim\] Exim 4\.100 released Exim 4\.100 Released ``` Dear Exim users and maintainers, We are pleased to announce the availability of release 4.100 of Exim. Exim 4.100 is available as * as tarball * * https://ftp.exim.org/pub/exim/exim4/ * * https://code.exim.org/exim/exim/releases * directly from Git: https://code.exim.org/exim/exim tag: exim-4.100 The signatures on the release tarballs should be * key ID 0xBCE58C8CE41F32DF Email: jgh@??? New stuff added since 4.99 1. Lookups "psl" and "regdom" for, respectively, the public suffix or the registered domain, given a domain and a Public Suffix List file. 2. EXPERIMENTAL_DMARC_NATIVE optional build feature. See the experimental.spec file. 3. Log selectors "spf", "spf_verbose", "dmarc", "dmarc_verbose", "dsn". 4. Commandline option "-bI:modules" for listing installed dynamic-load modules. 5. Debug channels "start", "regex" and "macro". 6. The exiwhat utility now includes, on the daemon process line, counts for smtp and queue-run children. 7. Main config option "bounce_charset", for setting Content-type: headers. 8. Event "proc:deliver". 9. Commandline option "-oDSN" for DSN options on commandline sourced messages. 10. Nongreedy wildcards for local_parts affixes. 11. Main config option "queue_run_order", obsoleting "queue_run_in_order". 12. The redirection router options "forbid_*" and "allow_filter" are now expanded before use. 13. Sieve filtering now supports the "body" extension (RFC 5173). 14. Main config option "tls_eccurve" now accepts a groups tuple list. Also, new smtp transport option "tls_eccurve". 15. Smtp transport option "protocol" is now expanded. Removed items since 4.99 * removed obsolete malware scanners * * f-prot6 * * f-prot6d * * sophie * * drweb * * f-secur * * aveserver * * kavdaemon * * mksd * removed Interbase support * removed Brightmail support -- Security related. This release contains all the previous fixes issues released in 4.99.1 through 4.99.5 -- Notable bugfixes include * Expansion-test mode with debug (exim -d -be) now shows macro expansions. * Fix local deliveries. A mistaken optimisation done for 4.99 caused excessive retries on defers * Fix radius expansion condition * Fix use of a verify held-open connection * Fix DNS lookups from perl on nonstandard port * Fix DMARC for empty envelope senders * Fix GnuTLS hostname verify of a server certificate with a zero-length Subject * Various compiler quietening * Update GPL doc references * clear $spam_* variables on SMTP RST * Proxy Protocol: add timeout guard to V2 input. Bug 2957 * Proxy Protocol: move startup before remote-host policy checks. Bug 3221 * DMARC: native implementation: use a-label of 5322.From * Reject tainted format for internal printf There have been no changes since RC3 Please refer to the ChangeLog file for a complete list. File Verification: SIZE(00-sha256sums.txt)= 1797 SIZE(00-sha512sums.txt)= 2949 SIZE(00-sizes.txt)= 726 SIZE(exim-4.100.tar.bz2)= 2184300 SIZE(exim-4.100.tar.gz)= 2751170 SIZE(exim-4.100.tar.xz)= 2007860 SIZE(exim-html-4.100.tar.bz2)= 650544 SIZE(exim-html-4.100.tar.gz)= 900661 SIZE(exim-html-4.100.tar.xz)= 639384 SIZE(exim-info-4.100.tar.bz2)= 485516 SIZE(exim-info-4.100.tar.gz)= 653766 SIZE(exim-info-4.100.tar.xz)= 487128 SIZE(exim-pdf-4.100.tar.bz2)= 2219695 SIZE(exim-pdf-4.100.tar.gz)= 2250735 SIZE(exim-pdf-4.100.tar.xz)= 2183432 SIZE(exim-postscript-4.100.tar.bz2)= 1172273 SIZE(exim-postscript-4.100.tar.gz)= 1572720 SIZE(exim-postscript-4.100.tar.xz)= 1161128 SIZE(exim-texinfo-4.100.tar.bz2)= 459473 SIZE(exim-texinfo-4.100.tar.gz)= 614510 SIZE(exim-texinfo-4.100.tar.xz)= 462132 SHA2-256(00-sha256sums.txt)= a247297a7503bc993479962130487b1dad962844afcf6cd4afb79f740d4d21d0 SHA2-256(00-sha512sums.txt)= e1376c079eea804b1c4fd8cd7414bb36822897501a6538042ffbdf8e508a722b SHA2-256(00-sizes.txt)= 1cdc78cfc509dfa6c2216167669dfefcf1bc99a7db6baa5f186e9af852bd8bfc SHA2-256(exim-4.100.tar.bz2)= 21c0e973cbc5f456475e7328807238c9ba998dbf97ba6053aeeb11750bfd20f3 SHA2-256(exim-4.100.tar.gz)= ea5306bf7b33094362d2fed5176df84a7a84e67a4c8413be1f005c1d9b62587d SHA2-256(exim-4.100.tar.xz)= 5bd0a3e353dbfcd5c8174388b824316a61ee2455d9052ea2f0877dee939d33b3 SHA2-256(exim-html-4.100.tar.bz2)= d9925b615ac0e63e0bd4fca4c21a7b320e1180325b1a61624d7770d0607489d9 SHA2-256(exim-html-4.100.tar.gz)= 8bb01ffd15f520a491a68b7027ee2208bf22df9c0959e2838dc81f3107149e88 SHA2-256(exim-html-4.100.tar.xz)= 6bdd33916bd8ecd45cbcca80dedbe06e7dd2d86a5daeba35d5a0ec30dbf8109d SHA2-256(exim-info-4.100.tar.bz2)= 50b8055c5de7c953a9eabc0ae74edf211b2969543ce802a5433c29c2c373580f SHA2-256(exim-info-4.100.tar.gz)= 6b4cd2d218ce69f43b05ab2880b6c5f1b683d79001be6b5eac01548717d76dc7 SHA2-256(exim-info-4.100.tar.xz)= 8a902782feae88217fef998dbb9cf40218e67edfa6011b6151401e9bd1f7ff81 SHA2-256(exim-pdf-4.100.tar.bz2)= e4a4b883f653984e1c93bc1f2f2700b07a222b9059b9c8f4dac04c36ff87e085 SHA2-256(exim-pdf-4.100.tar.gz)= cc5bf3a936012d3ab6bfcc700b517bf6e9bf922118e06e499b076578ef6fcd9c SHA2-256(exim-pdf-4.100.tar.xz)= d032dc98802b53aa509a0c36884d49851c2b75529c3e927e9ed1269629fb4ae3 SHA2-256(exim-postscript-4.100.tar.bz2)= 0f9bc6bbeb191d1df4d706bd93bbffc49ff2d2d6ae32abbe9955ab2f5499c70e SHA2-256(exim-postscript-4.100.tar.gz)= 3dc521624a3e8c0ea03b5524de2c0f57744ef16dd8cd81f1a10591b86661465f SHA2-256(exim-postscript-4.100.tar.xz)= 49c136e1da0c0f06e1ffe9db046a379833bac87ff58c1982daee3e5d03357a07 SHA2-256(exim-texinfo-4.100.tar.bz2)= 6d09d0c81ad48d2e1f2ed66bd1f1495004bf51d778a578807e03752543bcb830 SHA2-256(exim-texinfo-4.100.tar.gz)= afbea6b9b9bab2147f3193b992a5299aaaa87c058aa6df0abb0dd57fdeb56a19 SHA2-256(exim-texinfo-4.100.tar.xz)= b2d1b916fcaf675c6bc1608031c431cc0d6372b50b40a15536544c144bbc0e56 -- Bernard Quatermass ``` \-\- \#\# subscription configuration \(requires account\): \#\#[https://lists\.exim\.org/mailman3/postorius/lists/exim\-users\.lists\.exim\.org/](https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/) \#\# unsubscribe \(doesn't require an account\): \#\# exim\-users\-unsubscribe@??? \#\# Exim details at[https://www\.exim\.org/](https://www.exim.org/) \#\# Please use the Wiki with this list \-[https://code\.exim\.org/exim/wiki/wiki](https://code.exim.org/exim/wiki/wiki)

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