How to ban spam pretending to be from my domain?
Pedro Fernandes Macedo
anti-UCE configurations.
However , I still get a lot of spam. The analisys of the logs show that
they use my domain in the helo part, so I want to block all the incoming
mail (except from mynetworks) using "helo mydomain". Is this possible?
Here's my postconf -n for my mailqueue (my main server has a similar
configuration):
alias_database = hash:/etc/postfix/aliases
alias_maps = hash:/etc/postfix/aliases
allow_percent_hack = no
append_at_myorigin = yes
append_dot_mydomain = yes
body_checks = pcre:/etc/postfix/maps/body_checks
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
default_destination_concurrency_limit = 20
disable_vrfy_command = yes
empty_address_recipient = MAILER-DAEMON
header_checks = regexp:/etc/postfix/maps/header_checks
inet_interfaces = all
local_destination_concurrency_limit = 2
mail_owner = postfix
mailbox_size_limit = 0
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
masquerade_classes = envelope_sender
header_sender header_recipient
masquerade_domains = $mydomain
masquerade_exceptions = root, mailer-daemon
maximal_queue_lifetime = 2d
mime_header_checks = regexp:/etc/postfix/maps/mime_header_checks
mydestination = $myhostname safira.$mydomain
localhost.$mydomain localhost.localdomain
mydomain = dcc.ufmg.br
myhostname = mailqueue.dcc.ufmg.br
mynetworks = 127.0.0.0/8
myorigin = $myhostname
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/packages/postfix/README_FILES
relay_domains = dcc.ufmg.br sis.dcc.ufmg.br
atm.dcc.ufmg.br lecom.dcc.ufmg.br
sample_directory = /usr/share/doc/packages/postfix/samples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd_banner = $myhostname ESMTP
smtpd_client_restrictions =
reject_unknown_client reject_rbl_client
bl.spamcop.net reject_rbl_client
relays.ordb.org reject_rbl_client
sbl.spamhaus.net reject_rhsbl_client
blackhole.securitysage.com
smtpd_helo_required = yes
smtpd_helo_restrictions =
reject_invalid_hostname reject_unknown_hostname
smtpd_recipient_limit = 200
smtpd_recipient_restrictions =
reject_unauth_pipelining
permit_sasl_authenticated
permit_mynetworks check_sender_access
hash:/etc/postfix/maps/freemail_access
reject_unauth_destination
smtpd_restriction_classes = from_freemail_host
smtpd_sender_restrictions =
reject_unknown_sender_domain
reject_rhsbl_sender blackhole.securitysage.com
smtpd_timeout = 60s
strict_rfc821_envelopes = yes
swap_bangpath = no
transport_maps = hash:/etc/postfix/transport
unknown_local_recipient_reject_code = 550
Thx.
--
Pedro Macedo
Kyle Dent
> I've set up postfix on the main servers in my network with several
> anti-UCE configurations.
> However , I still get a lot of spam. The analisys of the logs show that
> they use my domain in the helo part, so I want to block all the incoming
> mail (except from mynetworks) using "helo mydomain". Is this possible?
>
> Here's my postconf -n for my mailqueue (my main server has a similar
> configuration):
>
> [...]
Somewhere after permit_mynetworks include
check_helo_access hash:/etc/postfix/helo_access
Then in helo_access put something like
dcc.ufmg.br 550 Please use your own hostname for HELO
Kyle
Michael Gale
Depending on your setup how about a header check on the external smtpd
^From:.*\@mydomain\.com REJECT
Michael
--
Hand over the Slackware CD's and back AWAY from the computer, your geek
rights have been revoked !!!
Michael Gale
Slackware user :)
Bluesuperman.com
WC -Sx- Jones
>>On Thu, 11 Mar 2004, Pedro Fernandes Macedo wrote:
>>>I've set up postfix on the main servers in my network with several
>>>anti-UCE configurations.
>>>However , I still get a lot of spam. The analisys of the logs show
>>>that they use my domain in the helo part, so I want to block all the
>>>incoming mail (except from mynetworks) using "helo mydomain". Is
>>>this possible?
An actual HELO block would be best:
In main.cf do something like:
smtpd_recipient_restrictions =
permit_mynetworks,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_sender_domain,
reject_unknown_recipient_domain,
reject_unauth_pipelining,
reject_unauth_destination,
reject_invalid_hostname,
reject_non_fqdn_hostname,
check_helo_access pcre:/etc/postfix/helo_checks.pcre,
check_recipient_access pcre:/etc/postfix/recipient_checks.pcre,
permit
Then inside /etc/postfix/helo_checks.pcre use -
/.+nsecurity\.org/ REJECT Masquerades as my domain name
/localhost/ REJECT Use your own domain name
Obviously, season to taste; just substitute your own domain name stuff...
HTH
-Bill-
__Sx__________________________________________
http://youve-reached-the.endoftheinternet.org/
Michael Gale
Is this just not checking against the "HELO" and "EHLO" command which
could be faked ? Or does it actually check the IP of the connecting
server ?
Michael.
Eric Toll
IP address of my MX record.
You can also be "creative" with the responses. 8-)
My /etc/postfix/helo_hostnames.map
$domain 554 Liar Liar pants on Fire: (Nose is long as a
telephone wire)
localhost 554 Liar Liar pants on Fire: (Nose is long as a
telephone wire)=20
localdomain 554 Liar Liar pants on Fire: (Nose is long as a
telephone wire)=20
localhost.localdomain 554 Liar Liar pants on Fire: (Nose is long as a
telephone wire)=20
123.123.123.123 554 Liar Liar pants on Fire - Tho Shall not LIE,
you have just broken one of the 10 Commandments, was it really worth
eternal damnation to send an email?
mx.mydomain.edu 554 Liar Liar pants on Fire: (Nose is long as a
telephone wire)
Postmap this file: /etc/postfix/helo_hostnames.map and in main.cf:
smtpd_recipient_restrictions =3D
...
check_helo_access hash:/etc/postfix/helo_hostnames.map,
...
Alex van den Bogaerdt
> On Thu, 2004-03-11 at 21:33, Pedro Fernandes Macedo wrote:
> > I've set up postfix on the main servers in my network with several
> > anti-UCE configurations.
> > However , I still get a lot of spam. The analisys of the logs show that
> > they use my domain in the helo part, so I want to block all the incoming
> > mail (except from mynetworks) using "helo mydomain". Is this possible?
> >
>
> use SPF records in DNS to stop this type of thing. There is an excellent
> article about it in the Linxu Journal this month.
SPF may not be the tool for this. SPF allows the receiver to check the
validity of "mail from" and "helo". However, if the receiver is the owner
of the domain being questioned (and it is!), SPF is not needed at all.
A simple regexp table is working just as well without the additional
problems that DNS could cause.
SPF does not stop the remote end from trying to send. It allows the
local end to query the remote domain name being used. In this example,
the domain name is not remote, it is local. SPF _will_ work, it is just
not efficient.
cheers,
Alex
--
begin sig
http://www.googlism.com/index.htm?ism=alex+van+den+bogaerdt&type=1
This message was produced without any <iframe tags
Eric Toll
John M. Lockard
I'll assume it's after your "permit_mynetworks"...
-John
On Fri, Mar 12, 2004 at 10:48:27AM -0500, Eric Toll wrote:
> {Look Mom - No line wraps}
>
> I may have some redundancy in the below list, note how I also list the
> IP address of my MX record.
> You can also be "creative" with the responses. 8-)
>
>
> My /etc/postfix/helo_hostnames.map
>
> $domain 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
> localhost 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
> localdomain 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
> localhost.localdomain 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
> 123.123.123.123 554 Liar Liar pants on Fire - Tho Shall not LIE,
> you have just broken one of the 10 Commandments, was it really worth
> eternal damnation to send an email?
> mx.mydomain.edu 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
>
>
> Postmap this file: /etc/postfix/helo_hostnames.map and in main.cf:
>
>
> smtpd_recipient_restrictions =
> ...
> check_helo_access hash:/etc/postfix/helo_hostnames.map,
> ...
>
>
--
--jlockard - "If you take out the killings, Washington actually
has a very, very low crime rate." - Marion Barry
WC -Sx- Jones
> localhost 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
> localdomain 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
> localhost.localdomain 554 Liar Liar pants on Fire: (Nose is long as a
> telephone wire)
These three PCRE HELO checks can be tested as one check:
/local(?=host|domain)/ REJECT Sender MTA not properly configured
But it requires Postfix to be built with a recent PCRE installation.
postmap -q "localhost" pcre:/etc/postfix/helo_checks.pcre
REJECT Sender MTA not properly configured
postmap -q "localdomain" pcre:/etc/postfix/helo_checks.pcre
REJECT Sender MTA not properly configured
postmap -q "localhost.localdomain" pcre:/etc/postfix/helo_checks.pcre
REJECT Sender MTA not properly configured
You could really get mean and reject anything with local in it -
/.+local.+/ REJECT Sender MTA contains BAD WORD local
I would also like to see more PCRE examples in the Postfix 2.1
documentation - but these are things that can be added as time permits...
-Bill-
__Sx__________________________________________
http://youve-reached-the.endoftheinternet.org/
Doug Alcorn
> My /etc/postfix/helo_hostnames.map
>
[snip]
>
> smtpd_recipient_restrictions =
> ...
> check_helo_access hash:/etc/postfix/helo_hostnames.map,
> ...
I've got this for doing mysql lookups on my virtual domains:
smtpd_recipient_restrictions =
...
check_helo_access mysql:/etc/postfix/mysql_reject_virtual_maps.cf
...
(Although I actually have that as warn_if_reject). And then I use the
same table as for my virtual_mailbox_domains:
,----[ /etc/postfix/mysql_reject_virtual_maps.cf ]
| user = postfix
| password = secret
| hosts = localhost
| dbname = postfix
| table = domain
| where_field = domain
| select_field = '550 You are not me'
| additional_conditions = and active = 1
`----
So basically, that sends the reject message on any active domain I
have listed in my postfix.domain table. Once I get all my users
switched over to doing smtp-auth I'll go ahead and start actually
rejecting on this.
--
(__) Doug Alcorn - Unix/Linux/Web Developing
oo / PGP 02B3 1E26 BCF2 9AAF 93F1 61D7 450C B264 3E63 D543
|_/ mailto:do...@lathi.net http://www.lathi.net
mailto:tar...@lathi.net is a spam trap
Eric Toll
> Sent: Friday, March 12, 2004 11:21 AM
>=20
> Where does the check_helo_access fall in you=20
> smtpd_recipient_restriction?
> I'll assume it's after your "permit_mynetworks"...
My section starts like this and seems to be ok (for me),however I always =
seem to be changing the order to get greater rigor.
(Let's see yours..)
smtpd_recipient_restrictions =3D
check_recipient_maps hash:/etc/postfix/valid-email-addresses.txt,
reject_invalid_hostname,
reject_non_fqdn_hostname,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_sender_domain,
reject_unknown_recipient_domain,
permit_mynetworks,
reject_unauth_destination,
check_helo_access hash:/etc/postfix/helo_hostnames.map,
check_recipient_access pcre:/etc/postfix/recipient_checks.pcre,
check_sender_mx_access cidr:/etc/postfix/block_countries.cidr,
check_sender_mx_access cidr:/etc/postfix/black_netblocks.cidr,
check_client_access hash:/etc/postfix/from_senders_bw.map,
check_recipient_access pcre:/etc/postfix/mydoom.pcre,
check_sender_mx_access hash:/etc/postfix/mx_access,=20
Eric Toll
> Sent: Friday, March 12, 2004 12:03 PM
> Subject: RE: How to ban spam pretending to be from my domain?
>=20
>=20
> I just made the changes and this just got sent to me.
> Do I have an error or did I just eliminate some spam?
>=20
> I just got about 5 email like this in two minutes. If this is=20
> normal what can I change to have it just send these to=20
> spam-qu...@detering.com. I don't want to have to delete=20
> these out of my inbox all day!
>=20
> thanks for your help.
>=20
> I do appreciate it!
>=20
> mattmc
>=20
> From: MAILER...@spamfilter.detering.com
> [mailto:MAILER...@spamfilter.detering.com]
> Sent: Friday, March 12, 2004 10:53 AM
> To: postm...@detering.com
> Subject: Postfix SMTP server: errors from=20
> 158.37.31.61.isp.tfn.net.tw[61.31.37.158]
>=20
>=20
> Transcript of session follows.
>=20
> Out: 220 mail.detering.com
> In: EHLO 64.217.113.86
> Out: 250-spamfilter.detering.com
> Out: 250-PIPELINING
> Out: 250-SIZE 1000000000
> Out: 250-VRFY
> Out: 250-ETRN
> Out: 250 8BITMIME
> In: MAIL FROM:<32...@ms53.hinet.net>
> Out: 250 Ok
> In: RCPT TO:<2x...@yahoo.com.tw >
> Out: 451 Server configuration error
>=20
> Session aborted, reason: lost connection
Check to make these settings in your main.cf (look for 451 and change =
them to 554 (smiles))
If you don't have them, add them.
smtpd_hard_error_limit =3D 2
strict_rfc821_envelopes =3D yes
strict_7bit_headers =3D no
unknown_address_reject_code =3D 554
unknown_client_reject_code =3D 554
unknown_hostname_reject_code =3D 554=20
unknown_local_recipient_reject_code =3D 554
<also>
bounce_notice_recipient =3D your...@yourdomain.com
delay_notice_recipient =3D your...@yourdomain.com
error_notice_recipient =3D spam-qu...@detering.com
empty_address_recipient =3D your...@yourdomain.com
HTH
BTW, many on the list are far more advanced and clever with Postifx than =
I'll ever be, so don't take what I say as the final word. Everyone has =
a different system with different needs. This should "harden" your box =
quite a bit.
Eric
Noel Jones
> > From: Matt McAnelly [mailto:matt...@yahoo.com]
> > Subject: RE: How to ban spam pretending to be from my domain?
> >
> >
> > Do I have an error or did I just eliminate some spam?
> >
> >
> >
> > I do appreciate it!
> >
> > mattmc
> >
> > From: MAILER...@spamfilter.detering.com
> > [mailto:MAILER...@spamfilter.detering.com]
> > Sent: Friday, March 12, 2004 10:53 AM
> > To: postm...@detering.com
> > Subject: Postfix SMTP server: errors from
> >
> >
> > Transcript of session follows.
> >
> > Out: 220 mail.detering.com
> > In: EHLO 64.217.113.86
> > Out: 250-spamfilter.detering.com
> > Out: 250-PIPELINING
> > Out: 250-SIZE 1000000000
> > Out: 250-VRFY
> > Out: 250-ETRN
> > Out: 250 8BITMIME
> > In: MAIL FROM:<32...@ms53.hinet.net>
> > Out: 250 Ok
> > In: RCPT TO:<2x...@yahoo.com.tw >
> > Out: 451 Server configuration error
> >
>
Matt,
You have an error in your main.cf, postfix is not accepting mail.
Check your logs for warning|error|fatal messages, they should describe
the problem.
--
Noel Jones
Matt McAnelly
>
> Check to make these settings in your main.cf (look
> for 451 and change them to 554 (smiles))
> If you don't have them, add them.
>
> smtpd_hard_error_limit = 2
> strict_rfc821_envelopes = yes
> strict_7bit_headers = no
>
> unknown_address_reject_code = 554
> unknown_client_reject_code = 554
> unknown_hostname_reject_code = 554
> unknown_local_recipient_reject_code = 554
>
> <also>
>
> bounce_notice_recipient = your...@yourdomain.com
> delay_notice_recipient = your...@yourdomain.com
> error_notice_recipient =
> spam-qu...@detering.com
> empty_address_recipient = your...@yourdomain.com
What does the 451 and 554 mean?
What do these bounce notices do?
Why is it that I have a relay_recipient_maps file with
my users listed as : us...@mycomp.com OK but I am
still getting spam at accounting, sales, japleroup
when I do not have those setup?
thanks.
mattmc
__________________________________
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Pollywog
Matt McAnelly <matt...@yahoo.com> wrote:
> Why is it that I have a relay_recipient_maps file with
> my users listed as : us...@mycomp.com OK but I am
> still getting spam at accounting, sales, japleroup
> when I do not have those setup?
Just a thought but are you sure you are not confusing relay_recipient_maps
with local_recipient_maps ?
--
Andrew
John M. Lockard
smtpd_recipient_restrictions =
hash:/etc/postfix/protected_destinations,
permit_mynetworks,
check_client_access hash:/etc/postfix/pop-before-smtp,
check_helo_access pcre:/etc/postfix/helo_checks,
reject_unauth_destination
Could probably be more, but I had issues with a lot of false
negatives, and professors tend to get upset when they can't
send or receive messages that they should be able to...
On Fri, Mar 12, 2004 at 11:41:38AM -0500, Eric Toll wrote:
> > From: John M. Lockard [mailto:jloc...@umich.edu]
> > Sent: Friday, March 12, 2004 11:21 AM
> >
> > Where does the check_helo_access fall in you
> > smtpd_recipient_restriction?
> > I'll assume it's after your "permit_mynetworks"...
> >
>
> My section starts like this and seems to be ok (for me),however I always seem to be changing the order to get greater rigor.
> (Let's see yours..)
>
> smtpd_recipient_restrictions =
> check_recipient_maps hash:/etc/postfix/valid-email-addresses.txt,
> reject_invalid_hostname,
> reject_non_fqdn_hostname,
> reject_non_fqdn_sender,
> reject_non_fqdn_recipient,
> reject_unknown_sender_domain,
> reject_unknown_recipient_domain,
> permit_mynetworks,
> reject_unauth_destination,
> check_helo_access hash:/etc/postfix/helo_hostnames.map,
> check_recipient_access pcre:/etc/postfix/recipient_checks.pcre,
> check_sender_mx_access cidr:/etc/postfix/block_countries.cidr,
> check_sender_mx_access cidr:/etc/postfix/black_netblocks.cidr,
> check_client_access hash:/etc/postfix/from_senders_bw.map,
> check_recipient_access pcre:/etc/postfix/mydoom.pcre,
> check_sender_mx_access hash:/etc/postfix/mx_access,
>
>
>
>
>
--
--jlockard -
"My mom's not home. She had to take my brother to the hospital.
My grandma dropped acid this morning, and she was really stressed
out. She hijacked a busload full of... penguins. It's sort of
a family crisis. Bye!" - Lane Myer
Eric Toll
> From: owner-pos...@postfix.org=20
> [mailto:owner-pos...@postfix.org] On Behalf Of Matt McAnelly
> Sent: Friday, March 12, 2004 2:08 PM
> To: postfix users
> Subject: RE: How to ban spam pretending to be from my domain?
>=20
>=20
> >=20
> > Check to make these settings in your main.cf (look for 451=20
> and change=20
> > them to 554 (smiles)) If you don't have them, add them.
> > strict_rfc821_envelopes =3D yes
> > strict_7bit_headers =3D no
> > unknown_address_reject_code =3D 554
> > unknown_client_reject_code =3D 554
> > unknown_hostname_reject_code =3D 554
> >=20
> > <also>
> >=20
> > bounce_notice_recipient =3D your...@yourdomain.com=20
> > delay_notice_recipient =3D your...@yourdomain.com=20
> > error_notice_recipient =3D spam-qu...@detering.com=20
> > empty_address_recipient =3D your...@yourdomain.com
>=20
>=20
> What does the 451 and 554 mean?=20
http://www.emailrelated.com/domain-codes/errcodes.htm
>=20
> What do these bounce notices do?=20
Try and read and learn some more on your own.
Wouldn't you rather understand some of this rather than being told all =
the answers?
>=20
> Why is it that I have a relay_recipient_maps file with
> my users listed as : us...@mycomp.com OK but I am
> still getting spam at accounting, sales, japleroup when I do=20
Last line of said file shoud say:
Mycomp.com reject ATTENTION PLEASE, I (being the mailserver) do not =
recognise the address you are trying to send to. IT'S NOT VALID HERE. =
Please use our website at lskdjlksdjflskdjflskdfalskdjlsdjfsadjlf etc... =
Phone Us, Fax Us Etc...
{I like to give verbose reject codes should anyone actually choose read =
what comes back.....}
Remember: Rome was not built in a day.
Eric
Matt McAnelly
Content-Type: text/plain; charset=us-ascii
Eric Toll <et...@vipstructures.com> wrote:
>
> What does the 451 and 554 mean?
http://www.emailrelated.com/domain-codes/errcodes.htm
>
> What do these bounce notices do?
Try and read and learn some more on your own.
Wouldn't you rather understand some of this rather than being told all the answers?
I will do that! I had no idea where to look. I did not think typing 451 or 545 into google would get me anywhere :<)
Last line of said file shoud say:
Mycomp.com reject ATTENTION PLEASE, I (being the mailserver) do not recognise the address you are trying to send to. IT'S NOT VALID HERE. Please use our website at lskdjlksdjflskdjflskdfalskdjlsdjfsadjlf etc... Phone Us, Fax Us Etc...
{I like to give verbose reject codes should anyone actually choose read what comes back.....}
I am glad you are posting that! I was wondering if there was a way to make a message to that end.
thanks.
mattmc
Remember: Rome was not built in a day.
Eric
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--0-7923260-1079122318=:46247
Content-Type: text/html; charset=us-ascii
<DIV><BR><BR><B><I>Eric Toll <et...@vipstructures.com></I></B> wrote:
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">
<P>> <BR>> What does the 451 and 554 mean? <BR><BR><BR>http://www.emailrelated.com/domain-codes/errcodes.htm<BR><BR>> <BR>> What do these bounce notices do? <BR><BR>Try and read and learn some more on your own.<BR>Wouldn't you rather understand some of this rather than being told all the answers?</P>
<P>I will do that! I had no idea where to look. I did not think typing 451 or 545 into google would get me anywhere :<)<BR><BR>Last line of said file shoud say:<BR><BR>Mycomp.com reject ATTENTION PLEASE, I (being the mailserver) do not recognise the address you are trying to send to. IT'S NOT VALID HERE. Please use our website at lskdjlksdjflskdjflskdfalskdjlsdjfsadjlf etc... Phone Us, Fax Us Etc...<BR><BR>{I like to give verbose reject codes should anyone actually choose read what comes back.....}<BR></P>
<P>I am glad you are posting that! I was wondering if there was a way to make a message to that end.</P>
<P>thanks.</P>
<P>mattmc<BR><BR><BR>Remember: Rome was not built in a day.<BR><BR>Eric<BR><BR><BR><BR><BR><BR></P></BLOCKQUOTE></DIV><BR><BR><P>Do you like FREE stuff?</P>
<P>Click below for a free gift!</P>
<P><A href="http://www.greatcom.org/laws/">http://www.greatcom.org/laws/</A></P>
<P>Don't wait, it's only available for a limited time!</P><p><hr SIZE=1>
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--0-7923260-1079122318=:46247--
Matt McAnelly
Content-Type: text/plain; charset=us-ascii
You're both still chasing the wrong problem. He broke his config, which
is why postfix is returning 451 errors.
Wrap your lines at less than 80 characters.
-Rob
Rob,
I fixed that already. I had something wrong and I put it back the way it was.
thanks for the help guys. I gotta go. Won't be back till Monday, enjoy the rest!
:<) mattmc
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--0-484064366-1079122448=:59093
Content-Type: text/html; charset=us-ascii
<DIV><BR><BR>
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">
<P>You're both still chasing the wrong problem. He broke his config, which<BR>is why postfix is returning 451 errors.<BR><BR>Wrap your lines at less than 80 characters.<BR><BR>-Rob</P>
<P>Rob,</P>
<P>I fixed that already. I had something wrong and I put it back the way it was.</P>
<P>thanks for the help guys. I gotta go. Won't be back till Monday, enjoy the rest!</P>
<P>:<) mattmc</P></BLOCKQUOTE></DIV><BR><BR><P>Do you like FREE stuff?</P>
<P>Click below for a free gift!</P>
<P><A href="http://www.greatcom.org/laws/">http://www.greatcom.org/laws/</A></P>
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Eric Toll
> config, which is why postfix is returning 451 errors.
I read 451 I was thinking 450. Default main.cf has 450 settings.
450 - try later
451 - server has issues or is broken - look at /var/log/maillog to see =
why.
55x - piss off please.