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I have a virus and spam filter device that can do VRFY commands to reject invalid email before it gets to the next mail hop. How can I configure the SMTP server to only allow VRFY commands from one particular IP address, and nowhere else? I don't want spammers to be able to hammer on the gateway looking for valid addresses to send to.

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: Linux - sendmail queue run privilege problem Advisory number: CSSA-2001-034.0 Issue date: 2001, October 05 Cross reference: ______________________________________________________________________________ 1.

Hi all, I've been trying to hit on the right configuration combo to allow relaying from specific users and/or domains to an internal box running Sendmail. Reading the docs at http://www.sendmail.org/m4/anti_spam.html#relay and http://www.sendmail.org/m4/anti_spam.html#access_db_fine I would appear that I should be able to all per-address relaying in /etc/mail/access by enabling

Hello, I'm trying to configure sieve plugin on my mail server so that people can do mail filtering (and mostly vacation notification) on their account. The mail server is running fine since 5 years and is based on :- sendmail- dovecot- roundcube It serves 2 differents domains. I've recently installed pigeonhole for fc17, and managed to configure managesieve plugin in roundcube

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thu, 24 Jul 2014, Franck CALLEJA wrote: > Date: Thu, 24 Jul 2014 10:50:21 +0200 > From: Franck CALLEJA <fc193 at hotmail.com> > Reply-To: Dovecot Mailing List <dovecot at dovecot.org> > To: "dovecot at dovecot.org" <dovecot at dovecot.org> > Subject: Sieve plugin (fc17 + sendmail + roundcube) > >

HI folks, I've an up-to-date CentOS 5.x box on a small intranet (<20 users). We did a reboot over the weekend and all appears well except that clients on the LAN can no longer send email. Just hangs/times out. No clear identifiers in the /var/log/maillog or /var/log/messages. We're not setup for ESMTP as it's a closed network and I'm really hoping for a kickstart as to

I know this is a "generic" question, but fully CentOS related. I attempted to set up i386 v.4.1 on my primary computer at the co-located site, and thought I had everything squared away till I discovered the machine was refusing mail connections. AFIK, I had no firewall or other objects blocking port 25. It has been my experience that with most arch's and versions where sendmail is

I have centos 4.8 i686. It has stock sendmail. see file below. I am getting reports that it is an open relay. I have searched all around and it seems like it should be closed. I have dnl for accept_unresolvable_domains. What can I do to close my sendmail. Thanks, Jerry My sendmail.mc is as follows: --------------------------------- divert(-1)dnl dnl # dnl # This is the sendmail macro config

All; I installed sendmail via yum, but if I test it like this: echo "Subject: sendmail test" | sendmail sbob at quadratum-braccas.com I get a local mail on the server with this every time: Message? 1: From MAILER-DAEMON at kdb-bugs.example.com? Sun Apr 19 10:15:00 2020 Return-Path: <MAILER-DAEMON at kdb-bugs.example.com> Date: Sun, 19 Apr 2020 10:15:00 -0600 From: Mail

Hello everyone, I tried to configure sendmail so that I can use mail() in php. I don't host my email server, my ISP does. I just want to configure sendmail so that it uses external email server (my ISP) to send mail. When I executed mail(), i got no error report from php. I checked /var/log/maillog and it indicated that the message was accepted for delivery. However, it didn't

Hi - OK not really an Asterisk question but it is affecting one of my favorite features - emailing voice mail! I've posted on some Linux forums and sendmail.org but no response so I'm hoping someone will take pity on me ;-) My ISP requires SMTP authorization and I'm having a heck of a time getting it to work. I've included the following below: Asterisk 1.4.21 CentOS 5 Sendmail