On 6/1/2015 8:38 PM, Daniel Miller wrote:
> I don't think that's the case - the users in question submit using
> Thunderbird.
>
> --
> Daniel
>
Yes, that's how Tbird requests a read receipt.
You would use something like:
/etc/postfix/main.cf:
smtpd_command_filter = pcre:/etc/postfix/comman
I don't think that's the case - the users in question submit using Thunderbird.
--
Daniel
June 1 2015 5:46 PM, wie...@porcupine.org wrote:
> Daniel Miller:
>
>> Is there a way of removing return-receipt requests from internal
>> senders for a particular external recipient? ?Or does this require
On Mon, Jun 1, 2015 at 12:58 PM, Elijah Savage
wrote:
> Again thanks for all the great recommendations, I now have a few ways of
> trying to combat this if my plan doesn't work.
>
> I have a utilized my spam filtering agent combined with a no rDNS rule and
> increased the score of that rule.
>
>
Daniel Miller:
> Is there a way of removing return-receipt requests from internal
> senders for a particular external recipient? ?Or does this require
> a separate tool/script to pass sent messages through?
If the request is made in SMTP, like this:
RCPT TO: NOTIFY=SUCCESS,...
Then it is pos
On Mon Jun 01 2015 15:53:17 njo...@megan.vbhcs.org said:
>
> On 6/1/2015 4:19 PM, @lbutlr wrote:
>> Jun 1 15:09:08 mail submit-tls/smtpd[88479]: SSL_accept error from
>> unknown[50.253.97.91]: lost connection
> This looks as if the client and the server don't have a common
> cipher enabled.
I
Is there a way of removing return-receipt requests from internal senders for a
particular external recipient? Or does this require a separate tool/script to
pass sent messages through?
--
Daniel
Sharon Stahl:
> Hi Wietse,
> I came back to work and did a lot of testing but adding $mydomain to
> the mydestination definition made no difference with the .forward file
> only having
> a username causing a mail loop. Error in maillog appears to indicate
You had a complaint that delivery
100K is a lot, sounds like you are a local TV station which I doubt.
For legit email marketing/mass mailing FBL is mandatory. Unsubscribe button
must be easy to use and must work. Process and remove bounces. It appears you
have none of these features.
Never bother a recipient second time, after
On 6/1/2015 4:19 PM, @lbutlr wrote:
> A user at a Starbucks is trying to send mail and getting an error on sending.
> This is what I see in the logs:
>
> Jun 1 15:09:08 mail submit-tls/smtpd[88479]: warning: hostname
> 50-253-97-91-static.hfc.comcastbusiness.net does not resolve to address
> 5
On 01 Jun 2015, at 23:01, Zalezny Niezalezny
wrote:
> @Michael J Wise, that was question partly about Postfix. Please read more
> carefully all posts...
Please read this carefully;
http://www.postfix.org/DEBUG_README.html
Michael is right. This is not a support mechanism for Spamhaus, and you
On Mon Jun 01 2015 15:19:57 @lbutlr said:
>
> A user at a Starbucks is trying to send mail and getting an error on sending.
> This is what I see in the logs:
One other detail I left out,
openssl s_client -connect localhost:587 -starttls smtp
works as expected. It also works remotely if I put t
A user at a Starbucks is trying to send mail and getting an error on sending.
This is what I see in the logs:
Jun 1 15:09:08 mail submit-tls/smtpd[88479]: warning: hostname
50-253-97-91-static.hfc.comcastbusiness.net does not resolve to address
50.253.97.91: hostname nor servname provided, or
Hi Wietse,
I came back to work and did a lot of testing but adding $mydomain to
the mydestination definition made no difference with the .forward file
only having
a username causing a mail loop. Error in maillog appears to indicate
Are there any other suggestions?
Again setup is;
/etc/al
Paul, thank You very much for Your support.
@Michael J Wise, that was question partly about Postfix. Please read more
carefully all posts...
>
> Maybe Postfix will have some kind of debugging mode etc.etc.
>
Any how, thanks for Your support!
On Mon, Jun 1, 2015 at 9:55 PM, Michael J Wise wr
Andrew Beverley:
> On Mon, 2015-06-01 at 15:09 -0400, Wietse Venema wrote:
> > Postfix already logs the script's output (stdout and stderr) streams,
> > and it already logs and reports a non-zero exit status.
>
> The problem is monitoring this though: it seems that when the above are
> logged they
Again thanks for all the great recommendations, I now have a few ways of trying
to combat this if my plan doesn't work.
I have a utilized my spam filtering agent combined with a no rDNS rule and
increased the score of that rule.
If this along with DNSRBL doesn't work then I will give some of th
> Hi All,
This is *NOT* the list for questions about spamfighting in general, and
certainly not about Spamhaus in particular.
They have a site:
http://www.spamhaus.org/
> I would like to ask You what could be a reason of ban in Spamhaus.
> Today morning we have got message from our client that
If you are listed on spamhaus there will be a page about it normally
on their site, they have a few blacklists and some are worse than
others, so either check the response codes from postfix to see if that
tells you the what was listed. Also, if you know for certain that you
are listed by them, you
On Mon, 2015-06-01 at 15:09 -0400, Wietse Venema wrote:
> Postfix already logs the script's output (stdout and stderr) streams,
> and it already logs and reports a non-zero exit status.
The problem is monitoring this though: it seems that when the above are
logged they are logged at a level below
Andrew Beverley:
> On Mon, 2015-06-01 at 14:24 -0400, Wietse Venema wrote:
> > Andrew Beverley:
> > > So, is there a way to either change the return-path for all external
> > > commands, or alternatively set a higher log level for any errors?
> >
> > If the error happens in the external command, t
Hi All,
I would like to ask You what could be a reason of ban in Spamhaus.
Today morning we have got message from our client that our system is not
able to send E-mails.
In did, system IP has been putted to black list.
I have reviewed all logs and didnt found any good reason. System with
Postfix
On Mon, 2015-06-01 at 14:24 -0400, Wietse Venema wrote:
> Andrew Beverley:
> > So, is there a way to either change the return-path for all external
> > commands, or alternatively set a higher log level for any errors?
>
> If the error happens in the external command, then you could configure
> the
On 6/1/2015 1:28 PM, Rich Wales wrote:
>
>> The reject_non_fqdn_hostname restriction will not block any of these.
>
> How about reject_unknown_reverse_client_hostname instead? This one is
> supposed to reject clients with no IP-address-to-name mapping.
>
> Rich Wales
> ri...@richw.org
>
Yes,
> The reject_non_fqdn_hostname restriction will not block any of these.
How about reject_unknown_reverse_client_hostname instead? This one is
supposed to reject clients with no IP-address-to-name mapping.
Rich Wales
ri...@richw.org
Andrew Beverley:
> So, is there a way to either change the return-path for all external
> commands, or alternatively set a higher log level for any errors?
If the error happens in the external command, then you could configure
the pipe(8) daemon to run the command under strace and capture
strace o
Elijah Savage:
> I am seeing thousands of spam messages beginning on Thursday of last week
> from the same subnet. I know it is not best practice to fight spam by
> outright blocking ip addresses but I am seeing this across multiple domains
> in different parts of the country. The easy and immediat
Thank you for the reply. And apologies to everyone about the borderline
post.
I believe these have been recently added to DNSBL list because I am starting
to see this in my log as of about an hour ago and inbound traffic have
definitely returned to normal levels.
Jun 1 12:46:53 vader2 postfix/s
On 6/1/2015 11:09 AM, Elijah Savage wrote:
> I am seeing thousands of spam messages beginning on Thursday of last
> week from the same subnet. I know it is not best practice to fight
> spam by outright blocking ip addresses but I am seeing this across
> multiple domains in different parts of the co
Dear all,
I have some external scripts that are executed through a variety of
aliases[1]. I just discovered recently that one of the external commands
was dying prematurely, so I wondered: what is the best way for
monitoring this happening?
I tried setting alerts on my mail.log for messages with
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