From: Phil Pennock Date: Mon, 2 Nov 2020 07:39:38 +0000 (-0500) Subject: Start documenting the things we changed incompatibly. X-Git-Tag: exim-4.95-RC0~51^2~36 X-Git-Url: https://git.exim.org/exim.git/commitdiff_plain/5acbba8e07243f6c221171398d90a6c824724f45?ds=inline;hp=72ff77a3736576a7695f918baf37e5e8d0b48572 Start documenting the things we changed incompatibly. (cherry picked from commit 8dad4da53bad2ed3b29fa6a3b9ef59bfec73dc0e) (cherry picked from commit 125f0d4afbc858cf514c29326a3016c2d9d7bdc1) --- diff --git a/src/README.UPDATING b/src/README.UPDATING index 708027f2c..72bc97021 100644 --- a/src/README.UPDATING +++ b/src/README.UPDATING @@ -26,6 +26,24 @@ The rest of this document contains information about changes in 4.xx releases that might affect a running system. +Exim version 4.95 +----------------- + +Various length limits have been applied to Exim's parsing of its command-line. +These are all set to be at least as long as any valid input, so we do not believe +that any real use-cases have been affected by this. + +The names of various drivers (authenticators, routers, transports, ...) have +always been limited to 64 characters, but before this release the names were +silently truncated, inviting problems. Now the length limit should be enforced. +If this affects you, then please rename to use shorter names. + +The default maximum number of recipients of a single email has changed from +"unlimited" (ie: as much as CPU and memory will allow, until something breaks +badly) to 50,000. You can raise or lower this as you see fit, but we strongly +caution against using zero/unlimited. + + Exim version 4.94 -----------------