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21 results from messages in postfix-users

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  • On Tue, Feb 26, 2013 at 05:16:20PM +0200, Jamie wrote: > I unblocked the IP and the problem came back. In another mail you said you'd used tcpdump. Why don't you set tcpdump to record everything from that IP address, unblock the IP address, wait faor a few spams to go through, block the IP address, and analyze the tcpdump to see exactly what is happening? This should do it: tcpdump...
    Lorens Kockum Feb 27, 2013
  • The exact same question was sent by someone calling himself "Ron White" to the exim mailing list at almost exactly the same time. Peddling one's services by soliciting comparisons with competitors is so passé . . .
    Lorens Kockum Sep 2, 2012
  • On Tue, Feb 07, 2012 at 11:42:37AM +1100, Greg Wilson wrote: > I use this > technique, DNS round robin to evenly spread rdp connections to our > terminal servers. My understanding is that a device does a DNS lookup and > the server hands out each different IP address sequentially. Each device > uses (caches) the first IP address it recieves until it's rebooted. That might be true...
    Lorens Kockum Feb 6, 2012
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  • On Mon, Jan 09, 2012 at 08:37:48PM +0000, Sabahattin Gucukoglu wrote: > One of my Postfix installs runs behind a NAT box. The host > name for the local private IP is in the .local domain, not > suitable for public use in SMTP sessions but suitable for > trace fields. However, on IPv6, the host is a first-class > citizen on the net and has its own host name. > > Can I arrange it so...
    Lorens Kockum Jan 9, 2012
  • On Sun, Jan 01, 2012 at 06:00:46PM -0700, Philip Prindeville wrote: > I have a 'border' postfix MTA that doesn't host any mailboxes, indeed it doesn't even know what the valid usernames are for the domain. > > It merely serves to check messages for viruses, and block DoS attacks. > > As such, I need it to perform aliasing *only* on messages generated locally by system services...
    Lorens Kockum Jan 2, 2012
  • On Fri, Dec 30, 2011 at 12:51:27PM -0600, Noel Jones wrote: > These are rejected and not useful to our discussion. Please show > ALL the postfix logging of a suspect transaction that makes it to > your queue. In particular, we want to see if there is a > sasl_username= line logged for a suspicious QUEUEID. Stephen, you say that you have a lot of mail in the queue. I suppose you use...
    Lorens Kockum Dec 30, 2011
  • On Tue, Dec 27, 2011 at 09:24:01PM +0100, Michael Maymann wrote: > thanks for your kind reply...:-) ! > yes this is exactly the case... and my internal local-mailers consist on > standard RHEL5+6 servers and NetApp's. > Our ISP is restricting mail from only 1 of our sites, so we need to relay > all our internal mail globally through this site. > > We can't prevent non-mail...
    Lorens Kockum Dec 27, 2011
  • On Tue, Dec 27, 2011 at 06:12:12PM +0100, Michael Maymann wrote: > Hi all, > > Thanks Peter, for you kind reply - some setup you have there... sounds very > nice indeed...:-) ! > - If i have a lower budget, can this then be achieved without the > loadbalancers and still have same redundancy/flexibility (using e.g. "DNS > RR"/"MX with equal value") - if so what is for/against...
    Lorens Kockum Dec 27, 2011
  • On Thu, Dec 15, 2011 at 11:49:35AM -0800, Gonzo Fernandez wrote: > /var/log/maillog:Dec 14 04:03:07 batch-ca4-02 postfix/sendmail[12280]: fatal: root(0): queue file write error > /var/log/maillog:Dec 15 12:03:07 batch-ca4-02 postfix/postdrop[21744]: warning: uid=0: Illegal seek In addition to what Wietse asked for in another mail just now, do look at the output of the commands...
    Lorens Kockum Dec 15, 2011
  • On Wed, Dec 14, 2011 at 05:43:58PM -0800, Gonzo Fernandez wrote: > I'm not sure I'm understanding the log file info you would like. I tried doing grep search for 8A2993E3003B on all log files under /var/log/* and only found the following line to show up: > > Dec 11 05:31:27 batch-ca4-02 postfix/cleanup[31691]: warning: 8A2993E3003B: read timeout on cleanup socket > > Can you please...
    Lorens Kockum Dec 14, 2011