[pfx] reject_unknown_reverse_client_hostname issue

2024-08-05 Thread Joey J via Postfix-users
Hello All, I'm getting rejections showing: reject: RCPT from unknown[96.92.246.116]: 450 4.7.25 Client host rejected: cannot find your hostname But if I do an nslookup on the same box, it does resolve. I thought this was purely if no reverse exists reject. I have added this under: smtpd_sender_r

[pfx] Re: Recommended APP to build approved transport recipients from Exhange / AD / LDAP

2023-10-26 Thread Joey J via Postfix-users
Postfix-users < postfix-users@postfix.org> wrote: > On Thu, Oct 26, 2023 at 07:11:23PM -0400, Joey J via Postfix-users wrote: > > > To confirm, I'm creating the list of valid emails to accept and then > > forward and if not in that list reject. > > No, my advice is t

[pfx] Re: Recommended APP to build approved transport recipients from Exhange / AD / LDAP

2023-10-26 Thread Joey J via Postfix-users
Thanks Viktor. To confirm, I'm creating the list of valid emails to accept and then forward and if not in that list reject. My question would be, will postfix send off a process to query every so often in order to build the multiple lists, or as each mail is about to be delivered? On Thu, Oct 2

[pfx] Re: Recommended APP to build approved transport recipients from Exhange / AD / LDAP

2023-10-26 Thread Joey J via Postfix-users
sed on the experience I have had so far, I believe the best most reliable method is to get the information from the source. On Thu, Oct 26, 2023 at 6:33 PM Wietse Venema via Postfix-users < postfix-users@postfix.org> wrote: > Joey J via Postfix-users: > > Hello All, > > > &g

[pfx] Recommended APP to build approved transport recipients from Exhange / AD / LDAP

2023-10-26 Thread Joey J via Postfix-users
Hello All, I'm trying to see if someone has a good app to connect to an exchange or O365 server either via LDAP or AD to grab all of the legitimate email accounts, forwarding accounts and Groups in order to build a transport_recipients file this way reject all invalid email prior to forwarding it

[pfx] Re: pipelining issue

2023-09-26 Thread Joey J via Postfix-users
69237]: COMMAND PIPELINING from [208.99.44.83]:49270 after RCPT: DATA\r\nQUITE\r\n On Wed, Sep 20, 2023 at 12:42 PM Wietse Venema wrote: > Joey J via Postfix-users: > > In: DATA > > Out: 354 End data with . > > Out: 451 4.3.0 Error: queue file write error > >

[pfx] pipelining issue

2023-09-20 Thread Joey J via Postfix-users
Hello All, I have been getting a ton of pipelining errors over the past few weeks and I can't figure out why. It keeps saying queue write error, but disk & cpu performance is good, disk space is good. I also have noticed at times it's when there are multiple recipients on the message. Running: ma

Immediate NDR on Domain Typos

2020-12-06 Thread Joey J
Hello All, I know I did this in the past, but can't find my notes. When users send messages to x...@gnail.com or x...@yaho.com the messages stay in the queue for the required time before sending back the NDR. I would like to set up a table with something like the below, to send an immediate NDR.

Re: Message got through CIDR table reject rule

2020-10-28 Thread Joey J
To confirm, each table needs an entry like so: check_client_access cidr:/etc/postfix/clientaccess check_client_access cidr:/etc/postfix/sender_reject_ip Thank you On Wed, Oct 28, 2020 at 12:38 PM Noel Jones wrote: > On 10/28/2020 11:22 AM, Joey J wrote: > > > I have the foll

Message got through CIDR table reject rule

2020-10-28 Thread Joey J
Hello all, I'm trying to figure out if I'm doing this properly. Below is the mail header showing connection from 170.130.34.30 I have the following config: smtpd_recipient_restrictions = permit_mynetworks reject_unauth_destination reject_non_fqdn_recipient check_re

Re: Fwd: Verify Proper method for sender restrictions

2020-10-28 Thread Joey J
don't like you or does 500 We don't like you Work? Thank you On Wed, Oct 28, 2020 at 11:51 AM Viktor Dukhovni wrote: > On Wed, Oct 28, 2020 at 11:34:35AM -0400, Joey J wrote: > > > Since you are looking within the code, on a reject we used to put > > @abc.com 5

Re: Fwd: Verify Proper method for sender restrictions

2020-10-28 Thread Joey J
Viktor, Since you are looking within the code, on a reject we used to put @abc.com 550 and custom reject message is that still valid? Will @abc.com REJECT 550 and custom reject message work? Thank you! On Wed, Oct 28, 2020 at 11:25 AM Viktor Dukhovni wrote: > On Wed, Oct 28, 2020 at 09:0

Re: Verify the proper configuration for blocking/whitelisting a sender.

2020-10-27 Thread Joey J
I'm not sure, that's why I wanted to verify, I haven't used postfix since 2.11 so I have to get back into the details. On Tue, Oct 27, 2020 at 4:15 PM Benny Pedersen wrote: > Wietse Venema skrev den 2020-10-27 20:58: > > > smtpd_recipient_restrictions= > >check_sender_access hash:some-file

Re: Verify the proper configuration for blocking/whitelisting a sender.

2020-10-27 Thread Joey J
#x27;s still OK to use the custom message for the block? Thank you! On Tue, Oct 27, 2020 at 3:59 PM Wietse Venema wrote: > Joey J: > > Hello All, > > > > Trying to make sure I'm doing this correctly, both at the right point > > within the mail c

Verify the proper configuration for blocking/whitelisting a sender.

2020-10-27 Thread Joey J
Hello All, Trying to make sure I'm doing this correctly, both at the right point within the mail communications and in the format of my hash file. smtpd_recipient_restrictions= check_sender_access hash:name of file And within that file have both white & blacklist like so: youareok.com OK yo

Fwd: Verify Proper method for sender restrictions

2020-10-26 Thread Joey J
Hello All, Trying to make sure I'm doing this correctly, both at the right point within the mail communications and in the format of my has file. smtpd_recipient_restrictions= check_sender_access hash:name of file And within that file have both white & blacklist like so: youareok.com OK you

Host not found?

2020-10-18 Thread Joey J
Hello all, I'm trying to understand why this is telling me host not found. On that same server if I nslookup the ip it does resolve. Oct 18 16:00:51 mgw postfix/smtpd[24119]: NOQUEUE: reject: RCPT from unknown[199.5.50.180]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP

Forward being rejected because of spf

2020-10-16 Thread Joey J
Hello All, I'm trying to figure out the workaround for when a domain sends an email to lets say 1...@abc.com and then that is supposed to forward to b...@xyz.com but b...@xyz.com postfix is rejecting the message: (Yes, names and IP's have been changed to protect the innocent) Oct 16 23:16:12 mgw

Domain Relay Question

2017-05-12 Thread Joey J
Hello, I have been using postfix for a long time to relay email in a backup or filtering role. DomainX mail to Postfix1, no response deliver to Postfix2. MX weighting control the delivery from the sending servers to Postfix1 or Postfix2 Now, in my transport file I have: domainx smtp:[mailse

Re: unused parameter: mx_access=hash:/etc/postfix/mx_access

2015-01-31 Thread Joey J
1.2015 um 05:49 schrieb Joey J: > >> I'm getting the following when I start postfix ( literally that many >> times) >> >> /usr/sbin/postconf: warning: /etc/postfix/main.cf <http://main.cf>: >> unused parameter: mx_access=hash:/etc/postfix/mx_access >>

unused parameter: mx_access=hash:/etc/postfix/mx_access

2015-01-30 Thread Joey J
Hello, I'm getting the following when I start postfix ( literally that many times) /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: mx_access=hash:/etc/postfix/mx_access /usr/sbin/postconf: warning: /etc/postfix/main.cf: unused parameter: mx_access=hash:/etc/postfix/mx_access

Multiple Targets on transport map

2014-06-17 Thread Joey J
We have 2 gateway servers in multiple locations so that we have redundancy and of course corresponding mx records pointing to both. This handles if GW1 fails, go to GW2 Now once at a GW the transport map handles the routing of the messages for domain.com as shown: domain.com smtp

Re: Accept external SMTP traffic only from MX hosts

2014-04-23 Thread Joey J
You can not try to start figuring out who is legit or not, it's a never ending task and will cause you nothing but a headache. Use SPF, DKIM and other traditional methods, utilize some RBL's. I do block them using fail2ban for long periods of time, if someone is identified as sending spam, there i

Re: BCC Transport Map

2012-12-23 Thread Joey J
like: @abc.com abc-bac...@hotmail.com Thanks! On Sun, Dec 23, 2012 at 4:44 AM, mouss wrote: > Le 23/12/2012 05:21, Joey J a écrit : > > Hello All, > > > > I have done this previously, but can't find any of my own documentation > > that I make. > > &g

BCC Transport Map

2012-12-22 Thread Joey J
Hello All, I have done this previously, but can't find any of my own documentation that I make. I want to configure a transport map, that delivers mail to my server ( postfix acting as a gateway ) but also deliver every message to a mailbox. this is how we get mail if the server crashes. -- T