I set Root=me@example.com and MinUserId=65536 so that emails to all local users are sent to me@example.com. After upgrading from -r2 to -r3 the value of MinUserId is ignored, because patch 0120_all_aliases.patch undoes a vital part of patch 0010_all_maxsysuid.patch. The following patch restores MinUserId: Index: work/ssmtp-2.64/ssmtp.c =================================================================== --- work.orig/ssmtp-2.64/ssmtp.c +++ work/ssmtp-2.64/ssmtp.c @@ -702,7 +702,7 @@ char *rcpt_remap(char *str) rcpt = aliases_lookup(str); if((root==NULL) || strlen(root)==0 || strchr(rcpt, '@') || - ((pw = getpwnam(rcpt)) == NULL) || (pw->pw_uid > MAXSYSUID)) { + ((pw = getpwnam(rcpt)) == NULL) || (pw->pw_uid >= minuserid)) { return(append_domain(rcpt)); /* It's not a local systems-level user */ } else { Reproducible: Always