and therefore ends a message when
there's a single dot on a line.
Here's the patch (there tabs in there...):

*** config.h.orig       Thu Jun  8 00:38:11 2000
--- config.h    Thu Jun  8 00:38:44 2000
***************
*** 42,49 ****
                         */

  #define MAILCMD _PATH_SENDMAIL                                       
/*-*/
! #define MAILARGS "%s -FCronDaemon -odi -oem %s"                      
/*-*/
                        /* -Fx   = set full-name of sender
                         * -odi  = Option Deliverymode Interactive
                         * -oem  = Option Errors Mailedtosender
                         * -or0s = Option Readtimeout -- don't time out
--- 42,50 ----
                         */

  #define MAILCMD _PATH_SENDMAIL                                       
/*-*/
! #define MAILARGS "%s -FCronDaemon -i -odi -oem %s"                   
/*-*/
                        /* -Fx   = set full-name of sender
+                          * -i    = ignore single dot on line
                         * -odi  = Option Deliverymode Interactive
                         * -oem  = Option Errors Mailedtosender
                         * -or0s = Option Readtimeout -- don't time out