[qmailtoaster] How can I configure qmailtoaster to prevent outbound spamming/ set up throttling/filter inbound spam messages with keywords in subject, body, so on
Thanks in advance for any assistanc.
Re: [qmailtoaster] Problem enter to account
i´m sorry, the problem is imap rejects me enter an account and also get this error as I am login (by this I know that is not permission issue): -ERROR: Conexion terminada por el servidor IMAP (Connection terminated by IMAP server) Hi Juan, On Thu, Jan 5, 2012 at 1:31 PM, Juan Carlos carlos...@tmgranada.es wrote: I have a problem to enter account every days from two week ago, the time to enter is too long and reject the user, to login both web as outlook, the memory and cpu is ok, all processes runing ok, i can enter ssh, webmin, etc.. to restore only work reboot the server. I tried to restart a service only; network, qmailctl, httpd and no works At least I didn't quite understand what your problem actually is: what do you mean by enter account and with that the time to enter is too long? Could you please explain a little more and perhaps copy some error messages here that you are receiving? Also check the qmail logs if you see anything related to your problem there and please provide us the info about the versions of the software you are using. Best, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] Problem enter to account
Hi Juan, On Mon, Jan 9, 2012 at 12:04 PM, Juan Carlos carlos...@tmgranada.es wrote: i´m sorry, the problem is imap rejects me enter an account and also get this error as I am login (by this I know that is not permission issue): -ERROR: Conexion terminada por el servidor IMAP (Connection terminated by IMAP server) Please do not top post. That is an error you receive in your email client? Which client are you using? What about accessing the same account with Squirrelmail? And you did not still provide us the following information: messages here that you are receiving? Also check the qmail logs if you see anything related to your problem there and please provide us the info about the versions of the software you are using. Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] Problem enter to account
Hi Juan, On Mon, Jan 9, 2012 at 12:04 PM, Juan Carlos carlos...@tmgranada.es wrote: i´m sorry, the problem is imap rejects me enter an account and also get this error as I am login (by this I know that is not permission issue): -ERROR: Conexion terminada por el servidor IMAP (Connection terminated by IMAP server) Please do not top post. That is an error you receive in your email client? Which client are you using? What about accessing the same account with Squirrelmail? that error recive in all user in all domains. And you did not still provide us the following information: messages here that you are receiving? Also check the qmail logs if you see anything related to your problem there and please provide us the info about the versions of the software you are using. how see the versions? spamassassin 3.2.5 maillog: Jan 9 09:14:10 mail spamc[914]: skipped message, greater than max message size (512000 bytes) this line is the only i seen diferent Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] Problem enter to account
Hi, On Mon, Jan 9, 2012 at 1:45 PM, Juan Carlos carlos...@tmgranada.es wrote: -ERROR: Conexion terminada por el servidor IMAP (Connection terminated by IMAP server) That is an error you receive in your email client? Which client are you using? What about accessing the same account with Squirrelmail? that error recive in all user in all domains. Yes, but which mail client are they using: Thunderbird, Outlook, Squirrelmail or something else? Does login work from Squirrelmail? And you did not still provide us the following information: messages here that you are receiving? Also check the qmail logs if you see anything related to your problem there and please provide us the info about the versions of the software you are using. how see the versions? As root issue the command: rpm -qa |grep toaster spamassassin 3.2.5 maillog: Jan 9 09:14:10 mail spamc[914]: skipped message, greater than max message size (512000 bytes) this line is the only i seen diferent The error messages you are receive seem to be IMAP related. If you look at log files /var/log/qmail/imap4/current /var/log/qmail/imap4-ssl/current do you see anything there if you try to log in with your account (for example using Squirrelmail)? Or if you have replaced Courier-IMAP with Dovecot, look at log file: /var/log/dovecot.log You should see something there when you try to login. If you do not, then there is probably something wrong with your firewall. Try this from a remote machine (not from your qmailtoaster server): telnet yourmailserversaddress 143 telnet yourmailserversaddress 993 Either of those commands should give you a welcome message? If you get no response then there is indeed a problem with your firewall or your imap services are not running (and you should start them). Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
[qmailtoaster] Re: How can I configure qmailtoaster to prevent outbound spamming/ set up throttling/filter inbound spam messages with keywords in subject, body, so on
On 01/09/2012 01:41 AM, Amir Abbasi wrote: Thanks in advance for any assistanc. Authenticated users are trusted to not send spam, so preventing outbound spam from QMT is limited to being sure that it's not configured to be an open relay (the default configuration), and protecting login credentials. The later can be difficult depending on users, but you should be ensure that no clients are configured to send passwords in clear text (TLS/SSL is recommended for all connections). This can be inforced with dovecot (recommended over the stock courier), but there is no enforcement mechanism for outbound connections. Your best defense against inbound spam is to use spamdyke. After that, some tuning of spamassassin (adjusting scoring, etc) might be helpful. Keyword filtering is typically not an effective way to fight spam. HTH. -- -Eric 'shubes' - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] Problem enter to account
Hi, On Mon, Jan 9, 2012 at 1:45 PM, Juan Carlos carlos...@tmgranada.es wrote: -ERROR: Conexion terminada por el servidor IMAP (Connection terminated by IMAP server) That is an error you receive in your email client? Which client are you using? What about accessing the same account with Squirrelmail? that error recive in all user in all domains. Yes, but which mail client are they using: Thunderbird, Outlook, Squirrelmail or something else? Does login work from Squirrelmail? nothings works, don´t allow login: ERROR:Connection dropped by IMAP server and if you are viewing a message, get out of this account with the same error And you did not still provide us the following information: messages here that you are receiving? Also check the qmail logs if you see anything related to your problem there and please provide us the info about the versions of the software you are using. how see the versions? As root issue the command: rpm -qa |grep toaster daemontools-toaster-0.76-1.3.6 courier-imap-toaster-4.1.2-1.3.10 maildrop-toaster-devel-2.0.3-1.3.8 qmailtoaster-plus.repo-0.1-1 libdomainkeys-toaster-0.68-1.3.6 ezmlm-toaster-0.53.324-1.3.6 squirrelmail-toaster-1.4.19-1.3.15 vpopmail-toaster-5.4.17-1.3.7 qmail-pop3d-toaster-1.03-1.3.18 control-panel-toaster-0.5-1.3.7 qmailmrtg-toaster-4.2-1.3.6 vqadmin-toaster-2.3.4-1.3.6 ripmime-toaster-1.4.0.6-1.3.6 ucspi-tcp-toaster-0.88-1.3.8 qmail-toaster-1.03-1.3.18 autorespond-toaster-2.0.4-1.3.6 qmailadmin-toaster-1.2.12-1.3.8 isoqlog-toaster-2.1-1.3.7 clamav-toaster-0.95.2-1.3.29 qmailtoaster-plus-0.3.1-1.4.11 libsrs2-toaster-1.0.18-1.3.6 ezmlm-cgi-toaster-0.53.324-1.3.6 spamassassin-toaster-3.2.5-1.3.17 courier-authlib-toaster-0.59.2-1.3.10 maildrop-toaster-2.0.3-1.3.8 simscan-toaster-1.4.0-1.3.1 spamassassin 3.2.5 maillog: Jan 9 09:14:10 mail spamc[914]: skipped message, greater than max message size (512000 bytes) this line is the only i seen diferent The error messages you are receive seem to be IMAP related. If you look at log files /var/log/qmail/imap4/current /var/log/qmail/imap4-ssl/current do you see anything there if you try to log in with your account (for example using Squirrelmail)? ok, but this problem is for all account, anyone can´t log Or if you have replaced Courier-IMAP with Dovecot, look at log file: /var/log/dovecot.log You should see something there when you try to login. If you do not, then there is probably something wrong with your firewall. Try this from a remote machine (not from your qmailtoaster server): telnet yourmailserversaddress 143 telnet yourmailserversaddress 993 Either of those commands should give you a welcome message? If you get no response then there is indeed a problem with your firewall or your imap services are not running (and you should start them). Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
[qmailtoaster] vchkpw-pop3: vpopmail user not found
Hi all, Sometimes I get this error in my / var / log / maillog 'vchkpw-pop3: vpopmail user not found' and my clients start complaining. anyone seen this? At the moment, I have over 1300 email accounts in my servers. Thks for help. --kalz-- - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] Problem enter to account
On Mon, Jan 9, 2012 at 6:25 PM, Juan Carlos carlos...@tmgranada.es wrote: nothings works, don´t allow login: ERROR:Connection dropped by IMAP server and if you are viewing a message, get out of this account with the same error Has it worked before or is this your first installation? A quick look on your packages at least reveals the fact that at least some of the packages are not of the newest version? If your toaster worked before, did you do something after which it stopped working? I would try logging in with Squirrelmail and then checking also Apache logs what error you get there. Nothing works is not much we can work with here :) The error messages you are receive seem to be IMAP related. If you look at log files /var/log/qmail/imap4/current /var/log/qmail/imap4-ssl/current do you see anything there if you try to log in with your account (for example using Squirrelmail)? ok, but this problem is for all account, anyone can´t log Please try this and provide us a copy of the messsages you see in your logs when you try login. If someone cannot login there must be a reason for it and most likely in the logs you will see an error about it. If you do not see any errors then I would suggest you try to debug your firewall as I suggested before: You should see something there when you try to login. If you do not, then there is probably something wrong with your firewall. Try this from a remote machine (not from your qmailtoaster server): telnet yourmailserversaddress 143 telnet yourmailserversaddress 993 Either of those commands should give you a welcome message? If you get no response then there is indeed a problem with your firewall or your imap services are not running (and you should start them). Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] vchkpw-pop3: vpopmail user not found
On Mon, Jan 9, 2012 at 7:30 PM, Kalil Costa - Brasilsite ka...@brasilsite.com.br wrote: Sometimes I get this error in my / var / log / maillog 'vchkpw-pop3: vpopmail user not found' and my clients start complaining. anyone seen this? If those error messages are about nonexistent user accounts and there are a lot of those, perhaps someone is trying to guess the correct user account names and passwords by brute-force? At least googling that error pointed me to this: http://www.computersolutions.cn/blog/2009/10/how-to-setup-fail2ban-to-block-vpopmail-attacks/ As suggested by the article you can use fail2ban to prevent that kind of brute-forcing. Haven't tried that out myself yet, though. Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] vchkpw-pop3: vpopmail user not found
unfortunately it's not brute-force. They are real users, the error begins to appear and I get calls in my help desk reporting the problem. I'm thinking it might be mysql.. any ideia ? thks Peter Em 09-01-2012 18:33, Peter Peltonen escreveu: On Mon, Jan 9, 2012 at 7:30 PM, Kalil Costa - Brasilsite ka...@brasilsite.com.br wrote: Sometimes I get this error in my / var / log / maillog 'vchkpw-pop3: vpopmail user not found' and my clients start complaining. anyone seen this? If those error messages are about nonexistent user accounts and there are a lot of those, perhaps someone is trying to guess the correct user account names and passwords by brute-force? At least googling that error pointed me to this: http://www.computersolutions.cn/blog/2009/10/how-to-setup-fail2ban-to-block-vpopmail-attacks/ As suggested by the article you can use fail2ban to prevent that kind of brute-forcing. Haven't tried that out myself yet, though. Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
Re: [qmailtoaster] vchkpw-pop3: vpopmail user not found
On Mon, Jan 9, 2012 at 10:54 PM, Kalil Costa - Brasilsite ka...@brasilsite.com.br wrote: unfortunately it's not brute-force. They are real users, the error begins to appear and I get calls in my help desk reporting the problem. I'm thinking it might be mysql.. any ideia ? I have seen problems with a toaster that has a mysql under heavy load. I would recommend running 'mytop' or similiar utility to see what's going on with mysql? If you are running any other web apps on the server they might be also the reason behind mysql slowing down. Also just running top and sar should give you an estimate how burdened your server is in general. If you get the errors only when you have heavy load, then its most probable that you do not have enough resources or you have broken hardware (a failing hard disk causing a lot of extra i/o or broken memory doing strange things). One thing you can always try if you haven't yet, is to replace courier-imap with dovecot? Its much more slicker and most likely causes less burden on vpopmail. Regards, Peter - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
[qmailtoaster] Re: [?? Probable Spam] [qmailtoaster] Re: How can I configure qmailtoaster to prevent outbound spamming/ set up throttling/filter inbound spam messages with keywords in subject, body,
Thanks. Could someone please let me know what I have to do to prevent blacklisting the IP address of the server? Such as domain keys, SPF record, so on. - Original Message - From: Eric Shubert e...@shubes.net To: qmailtoaster-list@qmailtoaster.com Sent: Monday, January 09, 2012 7:28 PM Subject: [?? Probable Spam] [qmailtoaster] Re: How can I configure qmailtoaster to prevent outbound spamming/ set up throttling/filter inbound spam messages with keywords in subject, body, so on On 01/09/2012 01:41 AM, Amir Abbasi wrote: Thanks in advance for any assistanc. Authenticated users are trusted to not send spam, so preventing outbound spam from QMT is limited to being sure that it's not configured to be an open relay (the default configuration), and protecting login credentials. The later can be difficult depending on users, but you should be ensure that no clients are configured to send passwords in clear text (TLS/SSL is recommended for all connections). This can be inforced with dovecot (recommended over the stock courier), but there is no enforcement mechanism for outbound connections. Your best defense against inbound spam is to use spamdyke. After that, some tuning of spamassassin (adjusting scoring, etc) might be helpful. Keyword filtering is typically not an effective way to fight spam. HTH. -- -Eric 'shubes' - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
[qmailtoaster] simscan/simcontrol spam options
By default, will the toaster compiled simscan support the pass through option? By domain filtering? What options is it compiled with? Or what number should I set my spam_hits to (i.e. recommendation) so that most email is accepted and passed through to users? Those that score over my threshold in /etc/mail/spamassassin/local.cf should then be marked spam with the rewrite_header SUBJECT ***SPAM*** entry, correct? I have some execs that insist they get all their mail, even if it is spam. Thx! Helmut - Qmailtoaster is sponsored by Vickers Consulting Group (www.vickersconsulting.com) Vickers Consulting Group offers Qmailtoaster support and installations. If you need professional help with your setup, contact them today! - Please visit qmailtoaster.com for the latest news, updates, and packages. To unsubscribe, e-mail: qmailtoaster-list-unsubscr...@qmailtoaster.com For additional commands, e-mail: qmailtoaster-list-h...@qmailtoaster.com
