Re: [vchkpw] pop-before-smtp and chkuser
doh. you are right. I wonder why I didn't think of that myself. it works fine,
thanks!
--
Igor
On Fri, Jul 01, 2005 at 08:49:38AM +0100, tonix (Antonio Nati) wrote:
->
-> There is no need to change the code...
->
-> Once you've enabled
-> #define CHKUSER_RCPT_LIMIT_VARIABLE "CHKUSER_RCPTLIMIT"
->
-> it's enought you declare this variable "CHKUSER_RCPTLIMIT" with the limit
-> you want before running qmail-smtpd.
->
-> So add a
-> export CHKUSER_RCPTLIMIT=50
-> before running qmail-smtpd (and be sure it can see this variable);
->
-> Tonino
->
-> At 01.18 01/07/2005, you wrote:
-> >I went ahead and tried modifying chkuser. these two little quick and dirty
-> >changes seem to make it work. I'm still open to hearing alternatives (if
-> >there are any).
-> >
-> >--- ../chkuser-2.0.8b-release/chkuser.c 2004-12-08 17:10:36.0 -0800
-> >+++ chkuser.c 2005-06-30 17:10:44.192650158 -0700
-> >@@ -435,15 +435,10 @@
-> > #endif
-> >
-> > #if defined CHKUSER_RCPT_LIMIT_VARIABLE
-> >-maxrcpt_string = env_get (CHKUSER_RCPT_LIMIT_VARIABLE);
-> >-if (maxrcpt_string) {
-> >-maxrcpt_limit = atoi (maxrcpt_string);
-> >+maxrcpt_limit = CHKUSER_RCPT_LIMIT_VARIABLE;
-> > if (maxrcpt_limit < 1) {
-> > maxrcpt_limit = 0;
-> > }
-> >-} else {
-> >-maxrcpt_string = "";;
-> >-}
-> > #endif
-> >
-> > #if defined CHKUSER_WRONGRCPT_LIMIT_VARIABLE
-> >
-> >
-> >
-> >--- ../chkuser-2.0.8b-release/chkuser_settings.h2004-12-08
-> >17:10:36.0 -0800
-> >+++ chkuser_settings.h 2005-06-30 17:01:28.512240856 -0700
-> >@@ -160,7 +160,7 @@
-> > * The first reached, between CHKUSER_RCPT_LIMIT_VARIABLE and
-> >CHKUSER_WRONGRCPT_LIMIT_VARIABLE,
-> > * makes chkuser rejecting everything else
-> > */
-> >-#define CHKUSER_RCPT_LIMIT_VARIABLE "CHKUSER_RCPTLIMIT"
-> >+#define CHKUSER_RCPT_LIMIT_VARIABLE 25
-> >
-> > /*
-> > * Uncomment to define a variable which contains the max unknown
-> >recipients number
-> >
-> >--
-> >Igor
-> >
-> >
-> >On Thu, Jun 30, 2005 at 04:21:24PM -0700, Igor Grinchenko wrote:
-> >-> Hello everyone,
-> >->
-> >-> I have a pop-before-smtp server running vpopmail 5.4.5. That server
-> >only serves clients that supply a valid login/password pair.
-> >-> Some clients, however, started abusing this system by sending tons of
-> >spam which gets us blacklisted in various RBL DBs.
-> >-> what I'm trying to do is use CHKUSER_RCPTLIMIT option to at least limit
-> >the number of emails that gets sent at once.
-> >->
-> >-> it seems like for that I need to have the following line in
-> >tcp.smtp.cdb for every entry:
-> >RELAYCLIENT="",RBLSMTPD="",CHKUSER_RCPTLIMIT""
-> >-> since vpopmail only creates RELAYCLIENT="",RBLSMTPD="" - it seems like
-> >the only way is to hack vpopmail.c around line 2526.
-> >->
-> >-> another way is to hack chkuser to hardcode some value to
-> >CHKUSER_RCPT_LIMIT_VARIABLE instead of looking at the env variable from
-> >the cdb file.
-> >->
-> >-> which way should I go? I don't think I'll have a problem modifying
-> >either source code, since it seems like a pretty straightforward change.
-> >->
-> >-> am I missing some other, simplier way?
-> >->
-> >-> --
-> >-> Igor
-> >->
-> >->
->
->
Re: [vchkpw] pop-before-smtp and chkuser
There is no need to change the code...
Once you've enabled
#define CHKUSER_RCPT_LIMIT_VARIABLE "CHKUSER_RCPTLIMIT"
it's enought you declare this variable "CHKUSER_RCPTLIMIT" with the limit
you want before running qmail-smtpd.
So add a
export CHKUSER_RCPTLIMIT=50
before running qmail-smtpd (and be sure it can see this variable);
Tonino
At 01.18 01/07/2005, you wrote:
I went ahead and tried modifying chkuser. these two little quick and dirty
changes seem to make it work. I'm still open to hearing alternatives (if
there are any).
--- ../chkuser-2.0.8b-release/chkuser.c 2004-12-08 17:10:36.0 -0800
+++ chkuser.c 2005-06-30 17:10:44.192650158 -0700
@@ -435,15 +435,10 @@
#endif
#if defined CHKUSER_RCPT_LIMIT_VARIABLE
-maxrcpt_string = env_get (CHKUSER_RCPT_LIMIT_VARIABLE);
-if (maxrcpt_string) {
-maxrcpt_limit = atoi (maxrcpt_string);
+maxrcpt_limit = CHKUSER_RCPT_LIMIT_VARIABLE;
if (maxrcpt_limit < 1) {
maxrcpt_limit = 0;
}
-} else {
-maxrcpt_string = "";;
-}
#endif
#if defined CHKUSER_WRONGRCPT_LIMIT_VARIABLE
--- ../chkuser-2.0.8b-release/chkuser_settings.h2004-12-08
17:10:36.0 -0800
+++ chkuser_settings.h 2005-06-30 17:01:28.512240856 -0700
@@ -160,7 +160,7 @@
* The first reached, between CHKUSER_RCPT_LIMIT_VARIABLE and
CHKUSER_WRONGRCPT_LIMIT_VARIABLE,
* makes chkuser rejecting everything else
*/
-#define CHKUSER_RCPT_LIMIT_VARIABLE "CHKUSER_RCPTLIMIT"
+#define CHKUSER_RCPT_LIMIT_VARIABLE 25
/*
* Uncomment to define a variable which contains the max unknown
recipients number
--
Igor
On Thu, Jun 30, 2005 at 04:21:24PM -0700, Igor Grinchenko wrote:
-> Hello everyone,
->
-> I have a pop-before-smtp server running vpopmail 5.4.5. That server
only serves clients that supply a valid login/password pair.
-> Some clients, however, started abusing this system by sending tons of
spam which gets us blacklisted in various RBL DBs.
-> what I'm trying to do is use CHKUSER_RCPTLIMIT option to at least limit
the number of emails that gets sent at once.
->
-> it seems like for that I need to have the following line in
tcp.smtp.cdb for every entry:
RELAYCLIENT="",RBLSMTPD="",CHKUSER_RCPTLIMIT""
-> since vpopmail only creates RELAYCLIENT="",RBLSMTPD="" - it seems like
the only way is to hack vpopmail.c around line 2526.
->
-> another way is to hack chkuser to hardcode some value to
CHKUSER_RCPT_LIMIT_VARIABLE instead of looking at the env variable from
the cdb file.
->
-> which way should I go? I don't think I'll have a problem modifying
either source code, since it seems like a pretty straightforward change.
->
-> am I missing some other, simplier way?
->
-> --
-> Igor
->
->
Re: [vchkpw] pop-before-smtp and chkuser
I went ahead and tried modifying chkuser. these two little quick and dirty
changes seem to make it work. I'm still open to hearing alternatives (if there
are any).
--- ../chkuser-2.0.8b-release/chkuser.c 2004-12-08 17:10:36.0 -0800
+++ chkuser.c 2005-06-30 17:10:44.192650158 -0700
@@ -435,15 +435,10 @@
#endif
#if defined CHKUSER_RCPT_LIMIT_VARIABLE
-maxrcpt_string = env_get (CHKUSER_RCPT_LIMIT_VARIABLE);
-if (maxrcpt_string) {
-maxrcpt_limit = atoi (maxrcpt_string);
+maxrcpt_limit = CHKUSER_RCPT_LIMIT_VARIABLE;
if (maxrcpt_limit < 1) {
maxrcpt_limit = 0;
}
-} else {
-maxrcpt_string = "";;
-}
#endif
#if defined CHKUSER_WRONGRCPT_LIMIT_VARIABLE
--- ../chkuser-2.0.8b-release/chkuser_settings.h2004-12-08
17:10:36.0 -0800
+++ chkuser_settings.h 2005-06-30 17:01:28.512240856 -0700
@@ -160,7 +160,7 @@
* The first reached, between CHKUSER_RCPT_LIMIT_VARIABLE and
CHKUSER_WRONGRCPT_LIMIT_VARIABLE,
* makes chkuser rejecting everything else
*/
-#define CHKUSER_RCPT_LIMIT_VARIABLE "CHKUSER_RCPTLIMIT"
+#define CHKUSER_RCPT_LIMIT_VARIABLE 25
/*
* Uncomment to define a variable which contains the max unknown recipients
number
--
Igor
On Thu, Jun 30, 2005 at 04:21:24PM -0700, Igor Grinchenko wrote:
-> Hello everyone,
->
-> I have a pop-before-smtp server running vpopmail 5.4.5. That server only
serves clients that supply a valid login/password pair.
-> Some clients, however, started abusing this system by sending tons of spam
which gets us blacklisted in various RBL DBs.
-> what I'm trying to do is use CHKUSER_RCPTLIMIT option to at least limit the
number of emails that gets sent at once.
->
-> it seems like for that I need to have the following line in tcp.smtp.cdb for
every entry: RELAYCLIENT="",RBLSMTPD="",CHKUSER_RCPTLIMIT""
-> since vpopmail only creates RELAYCLIENT="",RBLSMTPD="" - it seems like the
only way is to hack vpopmail.c around line 2526.
->
-> another way is to hack chkuser to hardcode some value to
CHKUSER_RCPT_LIMIT_VARIABLE instead of looking at the env variable from the cdb
file.
->
-> which way should I go? I don't think I'll have a problem modifying either
source code, since it seems like a pretty straightforward change.
->
-> am I missing some other, simplier way?
->
-> --
-> Igor
->
->
[vchkpw] pop-before-smtp and chkuser
Hello everyone, I have a pop-before-smtp server running vpopmail 5.4.5. That server only serves clients that supply a valid login/password pair. Some clients, however, started abusing this system by sending tons of spam which gets us blacklisted in various RBL DBs. what I'm trying to do is use CHKUSER_RCPTLIMIT option to at least limit the number of emails that gets sent at once. it seems like for that I need to have the following line in tcp.smtp.cdb for every entry: RELAYCLIENT="",RBLSMTPD="",CHKUSER_RCPTLIMIT"" since vpopmail only creates RELAYCLIENT="",RBLSMTPD="" - it seems like the only way is to hack vpopmail.c around line 2526. another way is to hack chkuser to hardcode some value to CHKUSER_RCPT_LIMIT_VARIABLE instead of looking at the env variable from the cdb file. which way should I go? I don't think I'll have a problem modifying either source code, since it seems like a pretty straightforward change. am I missing some other, simplier way? -- Igor
