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90 lines
3.4 KiB

--- spamass-milter.1.in
+++ spamass-milter.1.in
@@ -16,6 +16,7 @@
.Op Fl f
.Op Fl g Ar group
.Op Fl i Ar networks
+.Op Fl I
.Op Fl m
.Op Fl M
.Op Fl P Ar pidfile
@@ -134,6 +135,8 @@ Multiple
flags will append to the list.
For example, if you list all your internal networks, no outgoing emails
will be filtered.
+.It Fl I
+Ignores messages if the sender has authenticated via SMTP AUTH.
.It Fl m
Disables modification of the
.Ql Subject:
--- spamass-milter.cpp
+++ spamass-milter.cpp
@@ -178,6 +178,7 @@ bool flag_full_email = false; /* pass f
bool flag_expand = false; /* alias/virtusertable expansion */
bool warnedmacro = false; /* have we logged that we couldn't fetch a macro? */
bool auth = false; /* don't scan authenticated users */
+bool ignore_authenticated_senders = false; /* authenticated users bypass spam checks */
// {{{ main()
@@ -185,7 +186,7 @@ int
main(int argc, char* argv[])
{
int c, err = 0;
- const char *args = "afd:mMp:P:r:u:D:i:b:B:e:xS:R:C:g:";
+ const char *args = "afd:mMp:P:r:u:D:i:Ib:B:e:xS:R:C:g:";
char *sock = NULL;
char *group = NULL;
bool dofork = false;
@@ -225,6 +226,10 @@ main(int argc, char* argv[])
debug(D_MISC, "Parsing ignore list");
parse_networklist(optarg, &ignorenets);
break;
+ case 'I':
+ debug(D_MISC, "Ignore authenticated senders");
+ ignore_authenticated_senders = true;
+ break;
case 'm':
dontmodifyspam = true;
smfilter.xxfi_flags &= ~SMFIF_CHGBODY;
@@ -301,7 +306,7 @@ main(int argc, char* argv[])
cout << PACKAGE_NAME << " - Version " << PACKAGE_VERSION << endl;
cout << "SpamAssassin Sendmail Milter Plugin" << endl;
cout << "Usage: spamass-milter -p socket [-b|-B bucket] [-d xx[,yy...]] [-D host]" << endl;
- cout << " [-e defaultdomain] [-f] [-i networks] [-m] [-M]" << endl;
+ cout << " [-e defaultdomain] [-f] [-i networks] [-I] [-m] [-M]" << endl;
cout << " [-P pidfile] [-r nn] [-u defaultuser] [-x] [-a]" << endl;
cout << " [-C rejectcode] [-R rejectmsg] [-g group]" << endl;
cout << " [-- spamc args ]" << endl;
@@ -318,6 +323,7 @@ main(int argc, char* argv[])
cout << " -g group: socket group (perms to 660 as well)" << endl;
cout << " -i: skip (ignore) checks from these IPs or netblocks" << endl;
cout << " example: -i 192.168.12.5,10.0.0.0/8,172.16.0.0/255.255.0.0" << endl;
+ cout << " -I: skip (ignore) checks if sender is authenticated" << endl;
cout << " -m: don't modify body, Content-type: or Subject:" << endl;
cout << " -M: don't modify the message at all" << endl;
cout << " -P pidfile: Put processid in pidfile" << endl;
@@ -850,6 +856,22 @@ mlfi_envfrom(SMFICTX* ctx, char** envfro
return SMFIS_ACCEPT;
}
}
+
+ if (ignore_authenticated_senders)
+ {
+ char *auth_authen;
+
+ auth_authen = smfi_getsymval(ctx, const_cast<char *>("{auth_authen}"));
+ debug(D_MISC, "auth_authen=%s", auth_authen ?: "<unauthenticated>");
+
+ if (auth_authen)
+ {
+ debug(D_MISC, "sender authenticated (%s) - accepting message",
+ auth_authen);
+ debug(D_FUNC, "mlfi_envfrom: exit ignore");
+ return SMFIS_ACCEPT;
+ }
+ }
debug(D_FUNC, "mlfi_envfrom: enter");
try {