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Questions tagged [email-bounces]

email bounces are messages that are delivered to the nominated postmaster account on an email server to indicate a problem delivering the mail to one or more recipients.

email bounces are messages that are delivered to the nominated postmaster account on an email server to indicate a problem delivering the mail to one or more recipients.

Bounces can result from unknown users, failed mail servers, or other network or configuration issues.

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Stop Postfix revealing final email forwarding address in bounce messages

I have a Postfix server that receives mail for virtual aliases and forwards them to the real destination addresses. When the final mail server returns an error the bounce message returned to the sender reveals the final destination email address.…
EMP
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Exim managing bounced and failed messages

What is the best way to handle bounces and immediate failures with Exim? An email sent to a large mailing list will generate a large number of immediate failures as well as bounces. I'd like to capture these bounces and immediate failures and…
Richard Keller
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SMTP working POP not working

My domain details are smtp.domainname.com and pop.domainname.com by using these values I can send emails but I cannot receive any emails from other emailing systems. The problem lies at POP obviously. I created a CNAME RECORD as POP.domainname.com…
Kars
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How to instruct Postfix to wait until the LDAP server is back again?

Sometimes, my LDAP server is not responding for a couple of seconds and when Postfix does its lookup, it bounces with an error: "Invalid user specified". Is there a way to force the lookup to be retried a few seconds later before bouncing? Thanks.
Laurent Nominé
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Handling bounced email when using a postfix smarthost

I'm running a high availability cluster, and so far, most things work great. I have two external machines that act as outgoing mail hosts (smarthosts). The internal hosts are configured to relay all email through these two external facing hosts. My…
Mark Rose
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How to make sure that in case of our mail server being unreachable (connection down) mail still gets queued and resent once it's back up?

We have had some issues with losing internet connection once in a while. Normally that would mean our mail server is unreachable and incoming email is bouncing. We've set up MX Backup (second MX record after ours) and while for some providers it was…
Zero Cool
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Is it possible to disable "retry" from bounce mails in postfix?

I am doing mass BCC email's for mailing list, and receive too many bounces, Is there a way to stop it from retrying? I have been searching around and can't seem to find the answer, if anyone can point me in the right direction, it would be great.
Van Nguyen
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Forwarding only bounce messages to a different SMTP server

I have a Postfix SMTP server that sends transactional emails from a web service. These messages use VERP for the return path, so bounces go back to an address like this: bounce-7232-useremail=userdomain.com@e.mydomain.com This postfix server…
Tauren
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How to set up sendmail server to be most welcome to bounce/bad email notifications

I am in the process of setting up a mail server (using sendmail to be exact). The server needs to be as open towards receiving notifications of "bad"/bouncing emails as entirely possible. I am not exactly into the nitty gritty details of how this…
kastermester
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crontab emails bounce, others don't but are not delivered

Does anyone know what might be causing the following situation? Crontab emails are bouncing with the message "Message rejected as spam by Content Filtering." (I've contacted the mail server admin about this.) But emails sent with the command "mail…
Sam Wilson
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Our domain is being appended onto emails addresses that are sent from our server, why?

Our app sends out many types of email notifications. On some occasions, we see that the email addresses are getting our domain appended to them. e.g. michael@gmail.com turns into michael@gmail.com.example.com What is causing this? The App is running…
mmattax
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Email bouncing sent from Google

I'm hoping someone here has an idea of where to look next. We have a domain we support which has email sent to it from one particular user bounce with the following message: Delivery to the following recipient failed…
user45239
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How to customize email FROM header with an email from a different domain?

How can I customize the mail FROM header in our Email Marketing Application , to enable our customers to specify their OWN email ( from their domain ) . Currently the customer specify his own domain and we use it at the Reply-To mail's…
Newtonx
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Postfix relay gives error 450 while it should be 550

we use postfix to do relaying. We get several messages like the following in /var/log/mail (slightly edited) Apr 13 13:30:29 linserver postfix/smtpd[1064]: NOQUEUE: reject: RCPT from unknown[$ip]: 450 4.1.1 <0827523@domain.be>: Recipient address…
user40465
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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.test.com : this is a test server on which I…
terano
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