From: Kunal Rupera (kunaldit.net)
Date: Tue May 03 2005 - 07:59:15 CDT

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Hi Matt,

Yeah DNS queries seem to be working fine. Here is the output that you
requested.

rootmail:~# dig any yahoo.com

; <<>> DiG 9.2.2 <<>> any yahoo.com
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53966
;; flags: qr rd ra; QUERY: 1, ANSWER: 11, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;yahoo.com. IN ANY

;; ANSWER SECTION:
yahoo.com. 238 IN A 66.94.234.13
yahoo.com. 238 IN A 216.109.112.135
yahoo.com. 5853 IN MX 1 mx1.mail.yahoo.com.
yahoo.com. 5853 IN MX 1 mx2.mail.yahoo.com.
yahoo.com. 5853 IN MX 1 mx3.mail.yahoo.com.
yahoo.com. 5853 IN MX 5 mx4.mail.yahoo.com.
yahoo.com. 48095 IN NS ns4.yahoo.com.
yahoo.com. 48095 IN NS ns5.yahoo.com.
yahoo.com. 48095 IN NS ns1.yahoo.com.
yahoo.com. 48095 IN NS ns2.yahoo.com.
yahoo.com. 48095 IN NS ns3.yahoo.com.

;; Query time: 536 msec
;; SERVER: 213.42.20.20#53(213.42.20.20)
;; WHEN: Tue May 3 16:52:36 2005
;; MSG SIZE rcvd: 234

Here is my postconf -n output

rootmail:~# postconf -n
alias_maps = hash:/etc/aliases, hash:/usr/local/mailman/data/aliases
broken_sasl_auth_clients = yes
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = smtp:[127.0.0.1]:10024
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
default_destination_concurrency_limit = 900
disable_vrfy_command = yes
home_mailbox = Maildir/
inet_interfaces = all
local_destination_concurrency_limit = 900
mail_owner = postfix
mailbox_size_limit = 60000000
mailq_path = /usr/bin/mailq
manpage_directory = /usr/local/man
message_size_limit = 55960000
mydestination = $myhostname, localhost.$mydomain, $mydomain,
mydomain = dit.net
myhostname = mail.dit.net
mynetworks_style = subnet
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases
queue_directory = /var/spool/postfix
readme_directory = /etc/postfix/README
relay_domains = $mydestination, /etc/postfix/relaydomains
sample_directory = /etc/postfix
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd_banner = $myhostname ESMTP $mail_name ($mail_version)
smtpd_data_restrictions = reject_unauth_pipelining, permit
smtpd_helo_required = yes
smtpd_recipient_limit = 15000
smtpd_recipient_restrictions = reject_non_fqdn_sender,
reject_non_fqdn_recipient, permit_sasl_authenticated,
permit_mynetworks, check_client_access
hash:/etc/postfix/pop-before-smtp, reject_unauth_destination,
check_sender_access hash:/etc/postfix/access, reject_rbl_client
relays.ordb.org, reject_rbl_client list.dsbl.org,
reject_rbl_client sbl.spamhaus.org, reject_rbl_client cbl.abuseat.org
permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain =
unknown_local_recipient_reject_code = 550
virtual_alias_maps = hash:/etc/postfix/virtualdomains

Here is master.cf

# ==========================================================================
smtp inet n - n - 15 smtpd
smtp-amavis unix - - - - 15 smtp
127.0.0.1:10025 inet n - - - 15 smtpd -o
content_filter=
#628 inet n - n - - qmqpd
pickup fifo n - n 60 1 pickup
cleanup unix n - n - 0 cleanup
qmgr fifo n - n 300 1 qmgr
#qmgr fifo n - n 300 1 nqmgr
rewrite unix - - n - - trivial-rewrite
bounce unix - - n - 0 bounce
defer unix - - n - 0 bounce
flush unix n - n 1000? 0 flush
proxymap unix - - n - - proxymap
smtp unix - - n - - smtp
relay unix - - n - - smtp
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq unix n - n - - showq
error unix - - n - - error
local unix - n n - - local
virtual unix - n n - 9 virtual
lmtp unix - - n - - lmtp
#
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# maildrop. See the Postfix MAILDROP_README file for details.
#
maildrop unix - n n - - pipe
  flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
#
# The Cyrus deliver program has changed incompatibly, multiple times.
#
old-cyrus unix - n n - - pipe
  flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
# Cyrus 2.1.5 (Amos Gouaux)
cyrus unix - n n - - pipe
  user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
uucp unix - n n - - pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail
($recipient)
ifmail unix - n n - - pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp unix - n n - - pipe
  flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop
$recipient

Thanks

Kunal.

----- Original Message -----
From: "Matt Fretwell" <mattfbauchan.org>
To: "postfix" <postfix-userspostfix.org>
Sent: Monday, May 02, 2005 3:14 PM
Subject: Re: Cannot send or recieve emails after restrictions

> Kunal Rupera wrote:
>
>> No. I am not running postfix chrooted. I have specified my ISP's DNS
>> servers in /etc/resolv.conf.
>
>
> That is pretty much irrelevant. That only shows you are pointing *to*
> someones DNS servers. There are the possibilities of firewall blocking,
> slow DNS lookups, DNS caching on a router, to name but a few.
>
> What does a 'dig any yahoo.com' return on your machine, and in what type
> of timeframe?
>
> postconf -n output and probably your master.cf would be required before
> any further suggestions can be made, for that is all this reply is, a
> suggestion. You need to supply more details regarding your configs.
>
>
> Matt

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