On Sun, 13 Sep 2009, Noel Jones wrote:
> On 9/13/2009 10:45 AM, Sahil Tandon wrote:
> >On Sun, 13 Sep 2009, mouss wrote:
> >>
> >>smtpd_sender_restrictions =
> >>...
> >>check_client_access hash:/etc/postfix/forged_sender_wl
> >>
pitfalls
depending on the idiosyncracies of your setup, so use this as a template
and create a plan. If you run into technical problems related to the
Postfix part of the approach, ask here.
--
Sahil Tandon
On Sun, 13 Sep 2009, Noel Jones wrote:
> On 9/13/2009 7:14 PM, Sahil Tandon wrote:
> >On Sun, 13 Sep 2009, Noel Jones wrote:
> >
> >>On 9/13/2009 10:45 AM, Sahil Tandon wrote:
> >>>On Sun, 13 Sep 2009, mouss wrote:
> >>>>
> >>>>s
lease take
all follow-ups that have nothing to do with Postfix off-list.
--
Sahil Tandon
cepting (and then relaying to mail2)
mail for valid recipients, so this shouldn't be an issue.
--
Sahil Tandon
remaining recipients.
Relevant reading, in case you are interested, from RFC 5321:
http://tools.ietf.org/html/rfc5321#section-4.5.3.1.8
http://tools.ietf.org/html/rfc5321#section-4.5.3.1.9
http://tools.ietf.org/html/rfc5321#section-4.5.3.1.10
--
Sahil Tandon
On Tue, 15 Sep 2009, Sahil Tandon wrote:
> > Is there some other place I could have looked to see that problem in
> > the logs?
>
> There is no 'problem' as far as Postfix is concerned, so nothing is
> logged. After sending the 452 to the client, Postfix retains
r her MUA), consider
$recipient_canonical_maps.
# main.cf
recipient_canonical_maps = cdb:/usr/local/etc/postfix/canonical
# /usr/local/etc/postfix/canonical
@exmaple.org @example.org
And if you're running Postfix > 2.2, you need to appropriately adjust
$local_header_rewrite_clients so Postfix actually rewrites the header.
--
Sahil Tandon
o process the local mail at all.
If you do not want to process local mail via SpamAssassin then don't
send locally submitted mail to SpamAssassin.
--
Sahil Tandon
On Wed, 16 Sep 2009, Victor Duchovni wrote:
> On Wed, Sep 16, 2009 at 07:14:35PM -0400, Sahil Tandon wrote:
>
> > # main.cf
> > recipient_canonical_maps = cdb:/usr/local/etc/postfix/canonical
> >
> > # /usr/local/etc/postfix/canonical
> > @exmaple.org @ex
d to build from or do I need a
source rpm file?
This is not the right forum to discuss RPM construction. Would you
guys mind taking this off-list? Thanks.
--
Sahil Tandon
have any conflict
> with local users and e-mails addresses for the virtual domains.
>
> How shall I do ?
Try virtual_alias_maps. If this does not solve your problem, describe
it more precisely.
--
Sahil Tandon
fix will act as if the verbose log level were still 3.
Put another way: there is no additional logging with verbose log level
higher than 3. Of course, I have no idea if this behavior will change
in future releases.
--
Sahil Tandon
rify
that the sender email exists; that is in no way a form of
authentication.
> Looking forward to hear from you, a link, or even some rough notes
> would be nice.
http://www.postfix.org/SASL_README.html
--
Sahil Tandon
mission denied)
>
> I am probably doing something really stupid. Do I have to pre-create
> the directory structure?
No, but you should compare the ownership of the delivery location with
what you have specified in $virtual_uid_maps and $virtual_gid_maps.
--
Sahil Tandon
On Sat, 19 Sep 2009, Gerard wrote:
> On Sat, 19 Sep 2009 12:05:44 -0400 Sahil Tandon
> wrote:
>
> [snip]
>
> > No, but you should compare the ownership of the delivery location
> > with what you have specified in $virtual_uid_maps and
> > $virtual_gid_maps.
&
On Sep 23, 2009, at 7:30 AM, Gerard wrote:
On Wed, 23 Sep 2009 07:05:45 -0400 (EDT)
wie...@porcupine.org (Wietse Venema) wrote:
Gerard:
Sep 23 06:49:23 scorpio postfix/virtual[16417]: 0BEBE22885:
to=, relay=virtual, delay=0.14,
delays=0.12/0.01/0/0.02, dsn=4.2.0, status=deferred (delivery
fa
.com. 43200 IN MX 10 mx.uribl.com.
OK.
> uribl.com. 43200 IN MX 100 mx2.
Huh?
> uribl.com. 43200 IN MX 100 mx2.uribl.com.
OK. FWIW:
% dig +short MX uribl.com
10 mx.uribl.com.
10 mx2.uribl.com.
--
Sahil Tandon
structing Postfix to relay us...@domain.tld to
> mail.domain.tld.
>
> I'm just wondering if this is the best way to go around. Does anybody have
> experience with this sort of situation or does anyone have a better
> solution?
Using $transport_maps is fine.
--
Sahil Tandon
ends the SMTP client a 550 when an invalid/unknown recipient is
specified in RCPT TO. If your virtual aliasing (by way of regex
rewriting) breaks recipient validation, *then* you are likely to
backscatter.
--
Sahil Tandon
ase see
> http://www.openspf.org/Why?s=helo;id=mail.thumpernet.com;ip=71.176.110.29;r=smtp0.lightlink.com;
> from= to= proto=ESMTP
> helo= Sep 27 14:16:58 smtp0 postfix/smtpd[2465]:
> disconnect from mail.thumpernet.com[71.176.110.29]
--
Sahil Tandon
ather that
be a reject code so they immediately fix the typo
in their mail client.
$transport_maps to direct mail for typo'd domain to the error transport.
--
Sahil Tandon
to is in the transport map and the relay_domain command
> in main.cf
>
> Could really need some help and understanding on this.
http://www.postfix.org/DEBUG_README.html#mail
... at the very least, show us the output of 'postconf -n' and the
contents of your $transport_maps file(s).
--
Sahil Tandon
ipient_limit
No, these links do not address the OP's question. Laslzo, you should
review http://www.postfix.org/CONNECTION_CACHE_README.html, especially
the section titled 'Connection cache configuration'.
--
Sahil Tandon
ead above 150%
> here). I can't see clearly why good this, but i accept this is good.
> Just not for me and not for now. If you have a written documentation
> about queue mechanism please give me a reference.
You've already been linked to one document, but here it is again with
one more. Please read carefully.
http://www.postfix.org/CONNECTION_CACHE_README.html
http://www.postfix.org/SCHEDULER_README.html
--
Sahil Tandon
s any RBL responses, as documented in postconf(5); see:
http://www.postfix.org/postconf.5.html#reject_rbl_client
--
Sahil Tandon
On Sun, 04 Oct 2009, Ansgar Wiechers wrote:
> On 2009-10-04 mouss wrote:
>
>> anyway, it is ok to relay mail from the DMZ to the LAN.
>
> No.
Why?
--
Sahil Tandon
On Sun, 04 Oct 2009, Ansgar Wiechers wrote:
> On 2009-10-04 Sahil Tandon wrote:
> > On Sun, 04 Oct 2009, Ansgar Wiechers wrote:
> >> On 2009-10-04 mouss wrote:
> >>
> >>> anyway, it is ok to relay mail from the DMZ to the LAN.
> >>
> >>
On Mon, 05 Oct 2009, Ansgar Wiechers wrote:
> On 2009-10-04 Sahil Tandon wrote:
> > On Sun, 04 Oct 2009, Ansgar Wiechers wrote:
> >> On 2009-10-04 Sahil Tandon wrote:
> >>> On Sun, 04 Oct 2009, Ansgar Wiechers wrote:
> >>>> On 2009-10-04 mouss wrote
> Is the order significant, i.e. is permit_mynetworks,
The order of restrictions is generally significant.
> permit_sasl_authenticated the same as
> permit_sasl_authenticated,permit_mynetworks?
No. The first example does not allow networks specified in $mynetworks
to relay through your server without authentication.
--
Sahil Tandon
On Oct 7, 2009, at 6:09 PM, Halassy Zoltán wrote:
Hello!
In main.cf I am using a global blind carbon copy table:
recipient_bcc_maps = hash:/etc/postfix/global_bcc
I would like to ignore this table, when trusted user sends a mail so
i wrote this into master.cf:
smtps inet n -
nated person ?
Use an access(5) map to HOLD mails from a given set of users; use
postcat(1) to examine messages; and use postsuper(1) to release or
delete from the queue.
http://www.postfix.org/access.5.html
http://www.postfix.org/postcat.1.html
http://www.postfix.org/postsuper.1.html
--
Sahil Tandon
On Sat, 10 Oct 2009, Manish Kathuria wrote:
> On Sat, Oct 10, 2009 at 10:29 AM, Sahil Tandon wrote:
>
> > On Sat, 10 Oct 2009, Manish Kathuria wrote:
> >
> > > Is there any content filtering mechanism available using which the
> > > outgoing mails from all t
ility for delivering it to the intended recipient.
> BUT --> I never receive the mail via ISP webfaction & Thunderbird ???
Ask your ISP.
--
Sahil Tandon
On Oct 12, 2009, at 1:14 AM, Stan Hoeppner
wrote:
MySQL Student put forth on 10/11/2009 11:53 PM:
I appreciate your comments about obfuscation. Hopefully I haven't
mangled the info too much. My log is more than just a few lines.
Perhaps I have the logging level turned up too high. Isn't the
sasl_passwd:
> [smtp.broadband.rogers.com] me:myrogerspassword
>
> then postmap sasl_passwd and reload and send new test messages but then
> mail no longer is delivered to m...@rogers.com (or the others).
This is an insufficient problem description. Show logs related to the
problem along with the output of 'postconf -n' that proves you set
relayhost.
--
Sahil Tandon
problem and the output of 'postconf -n'. When
asking for help on this list, be sure to consult DEBUG_README for
direction. See postconf(5) to understand the difference between the
check_foo_access restrictions.
--
Sahil Tandon
L
> FROM command))
This makes sense in light of the above.
--
Sahil Tandon
passing mail to
your filter, then use header_checks(5) with the IGNORE action. If your
filter submits mail back to Postfix at a later stage, make sure to
adjust $receive_override_options to avoid running header_checks again.
--
Sahil Tandon
my config?
Do you really need to obfuscate your server's hostname? If so, at least
follow DEBUG_README and provide some logging that corresponds with
njabl.org's relay test.
--
Sahil Tandon
eate user output file" to
> being more friendly? Such as "Quota exceeded".
Edit the code. :-)
--
Sahil Tandon
reporting the system error (see sys_exits.c if I recall). You don't
want to suppress this messenger functionality altogether, hence the
smiley in my initial response to indicate jest. ;)
Sahil Tandon wrote:
On Tue, 20 Oct 2009, Russell Jones wrote:
I have Postfix 2.3.3 installed, and am
ou decide, just make sure to use reject_unauth_destination as
early as possible to avoid becoming an open relay.
--
Sahil Tandon
rictions.
> If the permit_* statements are removed, should reject_unauth_destination be
> moved to the top of the smtpd_recipient_restrictions list?
I think it is fine as is.
--
Sahil Tandon
On Oct 22, 2009, at 8:52 AM, "Sharma, Ashish"
wrote:
Hello,
I have setup a receiving Postfix mail server. Here i have custom
code written that parses the whole mail received by postfix and use
the headers, body and attachments separately for different uses.
I have currently added SPF a
erver
> query = SELECT 1 FROM virtual_domains WHERE name='%s'
>
> If I do a postmap -q domain.com
> :/etc/postfix/mysql-virtual-mailbox-domains.cf I get back the ID of
> domain.com.
Odd, because according to your query, you should *always* get '1' for
domains that exist.
--
Sahil Tandon
On Oct 26, 2009, at 4:12 AM, "Sharma, Ashish"
wrote:
Hello,
I have applied the following filters (milters) in my Postfix
incoming mail server:
DKIM milter
SenderID milter
SPF policy.
All three append headers in the received e-mail regarding their
checks.
I want to know how much prote
On Oct 26, 2009, at 9:41 AM, Harakiri wrote:
Im using proxymap for an sql recipient check query, however when the
file doesnt have postfix permission - the following error occurs
postfix/proxymap[12724]: fatal: open /etc/mydir/recipient_check
whats weird is, all other config files like post
Hey Siju stop spamming all your mailing lists with this crap. Thanks
much.
On Oct 27, 2009, at 8:06 AM, Harakiri wrote:
Hello,
can a postfix guru please look over my easy configuration? I wanted
to create some very easy antispam defense using only postfix
(postgrey).
I created a new smtpd_restriction_classes, which i appended to
smtpd_recipient_restrictions.
On Oct 28, 2009, at 10:51 AM, "Sharma, Ashish"
wrote:
Hello,
I want to filter e-mail headers received on my Postfix mail
receiving server.
I looked on the java implementation of milter protocol and found
sendmail-jilter [http://sendmail-jilter.sourceforge.net/]
This API claims to be
: Domain not found"?
Add them to a whitelist and consult that whitelist (with
check_client_access) before rejecting unknown (or non-fqdn) sender
domains.
--
Sahil Tandon
second
> biggest in France...)
I thought you said your previous message was your last on this topic?
Please, let's close this thread.
--
Sahil Tandon
On Nov 5, 2009, at 3:02 PM, "Roderick A. Anderson" > wrote:
Roderick A. Anderson wrote:
Roderick A. Anderson wrote:
My understanding, from following several threads here and some
research, is the return-path is transmitted out-of-band in the
SMTP MAIL request and placed in the message by th
know how you are going to use a
given access(5) table (i.e. check_sender_access, check_client_access, or
with another smtpd(8) restriction), so it can only query for the key.
See your logs to confirm everything is working as expected.
--
Sahil Tandon
^^^ ^^ ^^^^
time in GMTqueue ID $myhostname
--
Sahil Tandon
recipients, not all of whom require content
filtering. I set it up here after reading the MULTI_INSTANCE_README
and, FWIW, it is working well.
--
Sahil Tandon
takenly left my Reply-To: at postfix-users.
Wietse Venema wrote:
> Sahil Tandon:
> > +#if (__FreeBSD_version >= 702104 && __FreeBSD_version <= 80) \
> > + || __FreeBSD_version >= 800100
>
> It was initially reported to me as available with __FreeBSD
main and not anywhere else. Is it possible
> to implement in postfix?
Yes: http://www.postfix.org/access.5.html
--
Sahil Tandon
iases
Now *that* is atypical. The default value of $alias_maps, as per
postconf(5), is system-dependent. I cannot find your value anywhere in
src/util/sys_defs.h.
--
Sahil Tandon
do so or not and I like to know it. If
> postfix can do it then I am also eager to know the configuration.
Postfix can do it; one way is to use transport(5) maps. Untested
example:
# main.cf
transport_maps = cdb:/usr/local/etc/postfix/foo.map
# foo.map
gmail.com :
* error:mail to this destination is prohibited
--
Sahil Tandon
On Nov 20, 2009, at 11:12 AM, "Jason X, Maney"
wrote:
Hi All,
I am much of a newbie to postfix and need some help please. I know
that what I am about to ask has been covered already on this list but
I just can not get a head start. I am looking to have my postfix
acting as a gateway for my
On Nov 20, 2009, at 11:16 AM, James wrote:
Hi, I am new to the arena of running my own mail server, and from
the control panel that I was given, it seemed pretty straightfoward.
Now, of course, I want to expand my ability. I run a couple of
forums, and would like to be able to create a pag
for privacy reasons, please be
consistent about it. Some related logging would also help provide
context and aid troubleshooting. Also let us know if you need to
preserve the original envelope recipient information when transporting
catchall messages to the other server.
--
Sahil Tandon
On Sat, 21 Nov 2009, Roman Gelfand wrote:
> Could somebody recommend software that filters based on sender id
> reputation. I am refering to the sender id that microsoft uses as
> opposed to SPF.
Some people use sid-milter, which implements SPF *and* Sender-ID.
--
Sahil Tandon
On Sun, 22 Nov 2009, Roman Gelfand wrote:
> I am running senderid milter. The problem I am facing is that it looks
> at the previous hop, which is ip 127.0.0.1. Is it possible to control
> where postfix does it' miltering?
http://www.postfix.org/MILTER_README.html
--
Sahil Tandon
On Nov 23, 2009, at 4:18 AM, ram wrote:
At one of our locations I need to throttle outgoing , due to
bandwidth constraints
Can I specify maximum number of outgoing messages sent via smtp in a
minute or hour
Use a policy service.
On Nov 24, 2009, at 12:02 PM, Roman Gelfand wrote:
Please, correct where I am wrong.
Looking at man sid-filter, with -d flag, you can supply domains to be
ignored by the filter.
I am assuming by domain, it means to the right of @.
Does sid-filter ignore entries in the header where reference
On Nov 24, 2009, at 12:39 PM, Jordi Espasa Clofent > wrote:
That is easy.
Have your users connect to the submission port, and let everyone
else connnect to the smtp port. Then, specify "=o
content_filter=whatever"
for the smtp port and not for the submission port.
Yes Wietse, I've considere
On Nov 24, 2009, at 3:07 PM, LuKreme wrote:
On 24-Nov-2009, at 10:39, Jordi Espasa Clofent wrote:
That is easy.
Have your users connect to the submission port
Yes Wietse, I've considered this simple and clean option, but
we're a hosting company and the costumers are to lazy to understan
On Nov 24, 2009, at 3:48 PM, Michael Saldivar > wrote:
On Tue, Nov 24, 2009 at 1:25 PM, Sahil Tandon
wrote:
On Nov 24, 2009, at 3:07 PM, LuKreme wrote:
On 24-Nov-2009, at 10:39, Jordi Espasa Clofent wrote:
That is easy.
Have your users connect to the submission port
Yes Wietse, I
On Tue, 24 Nov 2009, Jerry wrote:
> Sahil Tandon replied:
> >If only it were so. Think company that decides caters to thousands
> >(insert a larger number of your liking here to avoid another
> >sarcastic response that misses the point) of users on port 25 and
>
o the
AMAVISD-NEW mailing list.
--
Sahil Tandon
n.com, etc.
>
> Can someone help and tell me where is the best place to set this up?
Use an access(5) or transport(5) map:
http://www.postfix.org/access.5.html
http://www.postfix.org/transport.5.html
--
Sahil Tandon
of 'closefrom' was here
> *** Error code 1
You also need to modify src/util/sys_defs.h. For guidance, see Postfix
2.7 Snapshot 20091115.
--
Sahil Tandon
On Dec 2, 2009, at 2:48 PM, fakessh wrote:
hello all
hello list
Really? Every time? Come on!
I think there is a problem in the basic configuration of Postfix
the basic configuration of Postfix is included in the rpm and sources
I accessed the standard configuration file
# Alternatively,
On Dec 4, 2009, at 2:26 PM, Carlos Williams
wrote:
On Fri, Dec 4, 2009 at 2:22 PM, Matt Hayes
wrote:
The question is, are you trying to 'relay' through the server or
sending
to a domain that the server hosts?
-Matt
I don't know how to answer this. The Postfix server is on the same
net
On Dec 4, 2009, at 2:34 PM, Sahil Tandon wrote:
On Dec 4, 2009, at 2:26 PM, Carlos Williams
wrote:
On Fri, Dec 4, 2009 at 2:22 PM, Matt Hayes
wrote:
The question is, are you trying to 'relay' through the server or
sending
to a domain that the server hosts?
-Matt
I don&
r date.
Please, carefully read: http://www.postfix.org/DEBUG_README.html#mail
and re-post your question more clearly, and only if it relates to
Postfix.
--
Sahil Tandon
ready answered your question correctly, but you should review:
http://www.postfix.org/SMTPD_ACCESS_README.html to understand how
restriction lists are evaluated.
--
Sahil Tandon
ase, France).
> Maybe hold off a little before sending me anything as I'm getting ready
> to take my MX down for a bit for some hardware maintenance (and I don't
> run a backup MX).
Shouldn't matter. His server will retry if it cannot reach yours during
downtime. :-)
--
Sahil Tandon
e, the headers of the email that is being delivered
despite your wishes, and the logs related to that delivery. If paranoia
impels you to obfuscate email addresses, domain names, IPs, et cetera,
please do it consistently.
--
Sahil Tandon
; | Message headers added by the cleanup(8) daemon itself are excluded
> | from inspection. Examples of such message headers are From:, To:,
> | Message-ID:, Date:.
It will work if the header isn't added by cleanup(8) and exists in the
mail as it arrives, which I am guessing is the OP's use case.
> Why don't you use an access map for this?
In case the envelope sender != From: header. :-)
--
Sahil Tandon
his *and* the message headers of the mail that was delivered.
> 4. Output from postconf - n:
I did not see your header_checks directive.
--
Sahil Tandon
*guess* you are looking for
sometihng like:
* transport:foo.bar.org
domain.ca :
If that does not meet your needs, ask your question again using clear
examples and more detail. Also be sure to read:
http://www.postfix.org/transport.5.html
--
Sahil Tandon
Then
follow-up on this thread showing us:
1) output of postconf -n
2) headers of the 'offending' email that is delivered
3) exact contents of your header_checks file
4) unaltered log snippet that shows the 'offending' email delivery
--
Sahil Tandon
On Dec 8, 2009, at 10:14 AM, "Sharma, Ashish"
wrote:
Hi,
I have a Postfix mail-receiving server.
I have to filter the received e-mail according to the logic:
1. Only mails sent to the recipient registered on my email
server would be accepted.
2. Mails sent to the reci
On Dec 11, 2009, at 12:49 PM, Udo Rader wrote:
Victor Duchovni wrote:
On Fri, Dec 11, 2009 at 04:16:40PM +0100, Udo Rader wrote:
Umar Draz wrote:
I have postfix server with SMTP authentication.
My client's are using MS outlook for sending/receiving emails.
my domain name is = foo.com
but i
port endpoint is not connected
> postscreen[8790]: warning: write unknown_address:unknown_port: Connection
> reset by peer
I think these messages in your log correlate with a '421 4.3.2 No system
resources' sent to the client. Were you handling a burst of traffic at
the time?
--
Sahil Tandon
er than
cut-and-pasting your main.cf.
> transport_maps = hash:/etc/postfix/transport
> relayhost = [mail.authsmtp.com]:2525
Try removing this relayhost definition; it is redundant since you are
already using a wildcard in your transport_maps to route mail to
authsmtp.com.
--
Sahil Tandon
ecord and the MX is correct.
Let us decide.
> The virtual and the amin.cf files are also correct.
Paste 'postconf -n' and follow the various other guidelines outlined in
DEBUG_README.
> Where else sould I look?
DEBUG_README.
--
Sahil Tandon
On Dec 17, 2009, at 8:18 AM, JORGE CARMINATI
wrote:
Hi all! I'm trying to integrate Postfix (chrooted) with ClamAV and
am looking for some information about this. It seems that the old
fashioned style of configuring Postfix + amavisd-new now days is not
recommended (performance)
FUD.
On Dec 17, 2009, at 10:14 AM, "Len Conrad"
wrote:
Anybody know where to get this?
The fix reversing the order of black/white queries in postscreen is
important for us.
I filed a PR to update postfix-current in the tree but the committer
has not yet addressed it; I am sure he will soon.
ion Postfix 2.6 though.
>
> Is this a documentation typo, or is "DUNNO" only supported as of
> Postfix 2.6?
You pasted a link to the documentation but did not actually read it? It
is quite clear:
A lookup result of DUNNO terminates the search without overriding the
global relayhost parameter setting (Postfix 2.6 and later).
--
Sahil Tandon
s-typed (in the same manner) and setup transport_maps to permanently
bounce mail addressed to them. Examples of how to do this are available
in list archives.
--
Sahil Tandon
re
following up:
http://www.postfix.org/DEBUG_README.html#mail
--
Sahil Tandon
sses.
Use virtual alias maps, which can be configured to deliver mail for
u...@example.org to u...@local.example.org and
u...@external.example.org, so on and so forth.
--
Sahil Tandon
equired. Please
see DEBUG_README (a document to which you were linked upon joining this
mailing list) for tips on seeking help here.
> postfix-2.2.9-10.25.3 (O.S: SLES 10)
As an aside, you might consider upgrading to a more recent version of
Postfix.
--
Sahil Tandon
that domain to the error transport with a custom
error message that might, on the margin, but more informative than the
default. It is unlikely that this more informative message will
actually be read by the end user, but you can try. See this list's
archives for examples on transport_maps and the error transport.
--
Sahil Tandon
On Dec 29, 2009, at 6:46 AM, Stan Hoeppner
wrote:
Daniel L. Miller put forth on 12/29/2009 2:44 AM:
I believe I understand where you're headed with this - but it's NOT
what
I was asking!
Hi Daniel,
Just a quick note. It's probably not a great idea to SHOUT! at Dr.
Venema, the
perso
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