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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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How to reliably determine if an email has bounced

I send out a weekly newsletter to subscribers of my newsletter. I send email from noreply@example.com because I don't want people to be able to flood my own email box with replies when they receive the newsletter. My subscriber details are neatly…
gpwr
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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@mydomain.com with a Reply To header set to the…
Ben Holness
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Updated MX Record Causing Bounce

We recently migrated our company to a new mail provider (Gmail), and updated our MX/SPF/DKIM/DMARC records. Checking the DNS propagation via https://dnschecker.org/, all changes are reflected. However, when trying to send email to a specific person,…
radar33
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What does gmail response "Requested action not taken: mailbox unavailable (in reply to MAIL FROM command))" means?

When out of office mails from our company go to a gmail address, we get this error in return: May 2 12:59:29 lg-info-mail postfix/smtp[22620]: AB34490FD1: to=, relay=gmail-smtp-in.l.google.com[64.233.166.26]:25, delay=0.11, …
Philipili
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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 destinator bounces it back with the error "…
Philipili
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Why are emails sent to me bouncing with incorrect MX records error message?

I am having some very strange issues with email delivery to two different domains in separate google apps accounts. real domain name is liberatumsolutions.com and libsol.eu. The below error message is from an email to…
Kjensen
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Unable to receive email from gmail on my VDS

I am using mailu (docker mail server) as all-in-one mail server solution: pop3/imap/smtp with web-interface and so on. I can send emails from my vds to any other email and I can send email from one mailbox to another one using the same server (like,…
VP.
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Remove dovecot emails based on subject

My server just got used as the return address for 100,000 spam emails. The emails are stacked up in various user's accounts and I want to delete them all. Is there a way using dovecot 1.1.7 to delete mails containing "Returned mail:" in the subject.…
Geoff Marshall
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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 a MX record and is the the official mail server…
Matthias
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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 bounce whether the destination is Gmail, Hotmail, or…
felwithe
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Can a DMARC "reject" policy prevent NDR backscatter?

Our email is being spoofed. We already have SPF/DKIM/DMARC p="quarantine" policies in place however we are still receiving thousands of Non-Delivery Receipt (NDR) in our inbox. Will changing to DMARC p="reject" prevent NDR backscatter? Any other…
IMB
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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-root-again#= But this command resend the bounce…
Yanick Lafontaine
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How do I get my server off the ivmSIP blacklist?

On March 22nd I was notified by MX Toolbox that my server ip was blacklisted by ivmSIP and Hostkarma Black. I was aware of an attack some of our clients sites had suffered towards the end of January but we immediately took those sites offline and…
BJ COATES
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email bouncing domain hosted G Suite

I have a client where some of their emails, including some email from me bounce back with a smtp; 550 code. There doesn't seem to be any pattern on which emails bounce and which go through. One of their domains the email is hosted by the web host,…
Neil Anuskiewicz
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Setting up bounce handling by using bounces+@example.com 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 file contains: bounces@example.com …
jision
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