All Questions
Tagged with postfix email-bounces
140
questions
0
votes
1
answer
288
views
Postfix and rspamd: Disable bounce email
How do I disable non-delivery notification (bounce mail) in Postfix?
I have setup Postfix 3.8.1 with rspamd 3.6. Spam filtering is working
admin@host123456:~ $ wget http://spamassassin.apache.org/...
- 279
3
votes
1
answer
519
views
How to make postfix sign non-delivery notifications with DKIM?
I have set up my "postfix" server to sign outgoing messages with DKIM and verified that it works correctly for SMTP users using authentication. However, "non-delivery notifications"...
- 33
0
votes
1
answer
273
views
POSTFIX - sending mails. My mails sent outside bounce back
main.cf
compatibility_level = 2
command_directory = /usr/sbin
daemon_directory = /usr/lib/postfix/sbin
data_directory = /var/lib/postfix
mail_owner = postfix
myhostname = mail.aufy.pl
mydomain = aufy....
- 13
0
votes
2
answers
1k
views
postfix time to time issue delivery temporarily suspended connection timed out
I have a Postfix installed on an Oracle Linux server. This Postfix is configured to receive emails from another Postfix server, which are sent externally through the Fortinet Cloud Email Security ...
- 1
0
votes
1
answer
264
views
Postfix - How to send bounces only to postmaster?
I have an internal Postfix server where bounces are intentionally discarded (not recommended in general but needed for my use case).
I would like to enable it temporarily but only to the postmaster, ...
- 121
0
votes
2
answers
3k
views
What exactly is Return-Path and who sets it?
This article (https://www.sparkpost.com/resources/email-explained/return-path-explained/) explains "Return-Path" as follows:
When an email doesn’t make it to its intended destination, the ...
- 101
0
votes
0
answers
379
views
postfix configuration to prevent bounces when relaying to 3rd party (e.g. src -> my@work -> my@gmail)
i have an active mail relay that is using aliases as a main tool,
at some point we started to get bounces for some emails.
Source: somerandomsenderdomain.com
Destination: myemaildomain.com
...
1
vote
1
answer
990
views
postfix mail to relayhost gets bounced dsn=5.0.0: how to debug?
Postfix sends mail to relayhost, but relayhost bounces back with dsn=5.0.0 and no further details.
Q: How can I debug this in detail so that I can find out where I made the mistake?
Setup:
smtp-client....
- 23
-1
votes
1
answer
477
views
Multiple problems when trying to set up a no-reply email adress
I have an email server setup using Postfix, Dovecot and MySQL with virtual mailboxes using PostfixAdmin. This was created following a tutorial, because I am fairly new to email servers, and everything ...
- 1
-1
votes
1
answer
157
views
Postfix: outgoing email error
Email send but not reached the receiver's mailbox, mainly for Google, Microsoft, and yahoo.
Already checked blocklisted or not, but no blocked there.
mail queue is mentioned below.
C6A02490A1 11809 ...
2
votes
1
answer
213
views
Postfix: Bounce incoming email, but still deliver
I run my own mailserver but I am getting "spammed" by a certain individual. In order to try to discourage this person from sending me any more emails, I would like to bounce the incoming ...
- 289
-1
votes
1
answer
479
views
Postfix user login file
I am Linux centos for my email server. I have already tried with "tail -f /var/log/mail.log and /var/log syslog". Now where can I find my email users last 1 month login logs?
Thanks
0
votes
0
answers
308
views
Postfix: how to accept then bounce emails for some domains (example: gmail.fr)
All this is specific to domains with no incoming emails at all and with no available MX.
A domain may not have any MX record, that's RFC-compliant, but may have a A record that doesn't point to any ...
- 21
1
vote
1
answer
323
views
Procmail not bouncing emails
I have a catch-all email address for my domain, however I want to block certain addresses from receiving mail. Before, I was doing it like this:
:0
* ^(X-Original-To): [email protected]
/dev/null
...
- 689
2
votes
1
answer
196
views
Privacy-friendly Postfix bounce messages for remote rejects
The topic of handling bounce message for remote rejects has been brought up at least three times (1, 2, 3), and it looks as if there is no real solution. I wonder, though, if the bounce template can ...
- 267
0
votes
1
answer
5k
views
550-5.7.26 Unauthenticated email from domain is not accepted due on ERP only
I have made updates to our mail server to use DMARC. So after This our ERP system cannot send emails to gmail.com or yahoo.com but Outlook sends emails with no problems.
Below is the header for an ...
- 21
1
vote
0
answers
131
views
postfix limit sending rate PER MX domain?
I know postfix can limit concurrent connections to recipient "domains", but I am sending emails to websites from different domains that may use the same email service (Google, Outlook, etc.) ...
- 133
0
votes
0
answers
771
views
Why are some emails not reaching my inbox?
I'm very new.
I set up email on my domain (postfix, dkim, dmarc, spf, dovecot... s-nail, Roundcube) by following reliable guides.
I now have 9 addresses, 3 different FQDNs. Emails from all addresss' ...
- 101
2
votes
1
answer
5k
views
Postfix: How to check if my email headers are RFC5321/RFC5322 compliant?
We are running a Postfix MTA (version: 3.4.14, OS: Debian 10) and since a short time emails sent to a certain provider (Web.de/GMX) are not being accepted anymore (the emails are sent by an ancient ...
- 6,469
0
votes
1
answer
876
views
Emails sending with postfix fail to outlook emails but success with gmail
I have set up postfix server. I am testing my email sending . i can send to gmail but all outlook mails are getting rejected, may i know how can i fix ? Any config i have to change ?
Nov 27 10:35:15 ...
0
votes
1
answer
227
views
Postfix not receiving bounce mails
I am using Postfix to only send Mails out (via my noreply mail), which works great.
I would like to use my support mail, which is running on the server of my mail provider, to receive user replies and ...
- 11
2
votes
0
answers
477
views
Postfix bounces incoming emails with uppercase recipient (unknown user)
I just installed Postfix on Debian minimum server and configured it as below:
installation:
installed it
chose internet site
set name to mydomainname.com
/etc/postfix/main.cf configs:
changed ...
1
vote
0
answers
461
views
Postfix Conf - Unknown user
Can't receive emails for virtual users but they can send.
UNIX users that can receive and sent. What am I doing wrong?
root@localhost: postconf -n
append_dot_mydomain = no
biff = no
...
- 11
0
votes
0
answers
213
views
have postfix bounce all but procmail related non-delivery notification
Pardon me for reposting on serverfault; I mistakenly posted it originally on stackoverflow before, and was kindly reminded to post here.....
Problem: I experience every now and then non-delivery ...
- 33
0
votes
1
answer
95
views
Postfix working on separate server having issues delivering mail to a specific domain
I have the following situation.
My main domain is pointed to a Hostgator account. Because of bad performance of the site, the client decided to give DigitalOcean a go, but leaving the e-mails on ...
- 107
0
votes
3
answers
2k
views
Not able to send mail using postfix-sendmail and getting bounced
The emails are not being sent to email addresses with domainname.co as domain name.
I have in Ubuntu system three users namely root, ubuntu & domainname.
The following is the log(tail /var/log/...
- 101
0
votes
1
answer
748
views
How can I get my incoming mail working again?
We are using webmin and virtualmin the emails have been working great over the last couple of weeks using virtualmin but today suddenly they have stopped.
I get this in my mail log:
Jul 1 13:15:03 ...
0
votes
2
answers
911
views
How can I create a bounce email?
I run my own mail server, which (among other things) handles emails for one of my services. The service in question takes bookings and sends booking confirmation emails. The emails come from noreply@...
- 984
0
votes
1
answer
3k
views
Add sender to my exchange out of office mails which are sent via postfix with an empty sender
Out of office mails works internally but externaly the logs says :
- it goes out of Exchange 2010 to go to Postfix (without any sender),
- Postfix sends it out to the sender without any sender
- the ...
- 23
1
vote
1
answer
2k
views
Setting Postfix for outbound email via SMTP with local root delivery for cron reports
I recently had to diagnose a couple of servers running Postfix which emailed results of rsync cronjobs when they returned a non-OK value.
While Postfix was emailing the recipients on rsync failure, I ...
- 398
1
vote
0
answers
2k
views
What is wrong with this e-mail which is failing SPF(mailfrom) and DMARC?
This is a follow-up from "Why is my opendmarc failing pretty much everything that comes through?". I'm really struggling to understand what is going on.
Outgoing mail is verified correctly by the ...
- 279
6
votes
0
answers
547
views
Postfix: do not create bounce message for virtual_alias_maps with remote servers
I am using virtual_alias_maps to forward mail to remote mail servers (GMail, icloud).
I have spam prevention in place myself (SPF checks, Before-Queue Content Filter etc), but often enough spam will ...
- 803
0
votes
1
answer
747
views
how to stop postfix relay server to forward bounce/NDR emails to client
I have a setup with 1 pure mail server, lets call it mail, and 1 web server, lets call it web.
When web sends out email to an external server it uses mail as relay. Both servers use postfix. mail has ...
- 179
0
votes
0
answers
2k
views
Emails dropped with "550 Action not taken (in reply to end of DATA command)"
In the past couple days, some emails from my server have been bouncing with this error. Nothing has changed on my end that I'm aware of. It doesn't seem to matter where the email is going-- they ...
- 866
2
votes
0
answers
502
views
Postfix: Script to difference hard vs soft bounces
I followed the steps mentioned in the forum - how to collect bounces for triggering a script upon a bounce receipt. Now, I would like to classify the bounce depending on the status. It would be ...
0
votes
1
answer
1k
views
How can i (re)send /var/mail/root (Original Mail)?
Our server was reconfigured and a lot of email as failed to be delivered.
I found a thread to resend email from /var/mail/root here :
https://serverfault.com/questions/90023/how-can-i-send-var-mail-...
1
vote
1
answer
2k
views
Postfix: redirecting an email to local user (User unknown in virtual alias table)
My question is similar to others, but their answers were unhelpful.
What I want to do: Send email from [email protected] and route incoming mail to [email protected] to multiple external (e.g. [email protected]) ...
- 131
2
votes
2
answers
2k
views
Zimbra server compromised - how to investigate
We have a zimbra email server and one of the email accounts was compromised. The problem we have now is that a lot of spams are sent from that server and we cannot identify which account is ...
- 423
1
vote
1
answer
3k
views
Postfix error with remote mailserver - Error 550
i am new to mailservers and i think i totaly destroyed the config and i have no clue how to fix this mess.
For my understanding things are "OK" but i think i'm missing something important.
I replaced ...
- 111
2
votes
0
answers
460
views
Postfix email throttling for deferred queue
I have an issue with email sending speeds on postfix. the email to yahoo are getting throttled and getting suspended temporarily. I edited the main.cf configuration to slower down the speeds and add a ...
- 21
0
votes
0
answers
766
views
Setting up bounce handling by using [email protected] not working
I have a postfix server setup with alias using /etc/aliases in which we have:
postmaster: root
bounces: root
also config in main.cf are:
transport_maps = hash:/etc/postfix/transport
transport ...
- 1
0
votes
0
answers
171
views
Reject specific class of backscatter mails with postfix
I'm looking to reject email that is sent by mail servers thinking its a good idea to send back undeliverable messages for mails that couldn't have possibly come from my mail server.
I also want to ...
- 1
0
votes
1
answer
530
views
Postfix - Bounced e-mail in mailq for non-exist email account
My postfix mail queue has quite a few bounced back e-mails; however, the recipient of the bounced back e-mail does not exist, e.g. @server_hostname.example.local, so it will never be delivered and ...
- 1
0
votes
1
answer
502
views
Postfix - Mails from a specific server bounces
I just set up a mail server with Postfix, Dovecot and Mysql.
I can sent/receive emails to/from Gmail, Hotmail etc. but mails sent from a specific Microsoft Mail Exchange Server (using Outlook) ...
- 1
0
votes
1
answer
224
views
postfix message delivery status via web call
is there a way I can configure postfix (or any other mail solution) to call a url with the status of submission?
example message with id 123efd was bounced it will call
https://mailnotifiapi.com/...
- 155
0
votes
1
answer
608
views
Is a Postfix "bounce back" equivalent to an "auto reply"?
I have a Postfix mail server with a catchall account. I had this catchall forwarding to another account on a separate machine/domain. I had to stop that, because I have a mail relay service in place ...
- 419
4
votes
1
answer
28k
views
Postfix 451 4.3.5 Server configuration error
So I'm running mail on my VPS, using Postfix + Dovecot. I am able to send, but not all mail comes in.
Note: DOMAIN = my domain, but I blocked it for security reasons.
The case: I want to use my mail ...
- 43
2
votes
1
answer
2k
views
How to drop registration mail bounces to noreply@ mail address
On CentOS 7 Linux I run Drupal, which requires users to confirm their mail addresses.
I have modified the postfix config files in the following way:
/etc/postfix/generic:
@www.localdomain noreply@...
- 734
0
votes
1
answer
666
views
How to resolve the same domain name mail rejection on postfix?
We have VPS and hosting two sites (2 domains). We are facing the problem when sending mail to configured domain name. For example, example.com configured on the postfix, the same configured on the ...
- 3
4
votes
0
answers
2k
views
Disable bounce in Postfix after failed mail forwarding
I have some mailboxes in Plesk/Postfix that redirect to some external addresses. If Postfix fails to forward a message to these addresses, it bounces back to the original sender, who is a fake address ...
- 301