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.

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2
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1answer
180 views

Auto email from IP is bouncing back

I'm working on an e-commerce website based on ASP Vb. which has auto email(HTML) after people placing order, requesting forgotten password, etc. MY problem is after email has sent, basically I get ...
1
vote
2answers
2k views

Postfix - don't generate “unknown user” bounces if message is Spam

We receive a a lot of spam addressed to (random) non-existing users. This causes postfix to generate "unknown user" bounces to the fake sender. As a workaround I use a catch-all to redirect any mail ...
1
vote
3answers
2k views

Make Exim send bounces to postmaster instead of the sender, for non-local sender

I have a few e-mail aliases that forward to external hosts. Currently, if the external host rejects a message, Exim generates a bounce message and sends it to the original sender. This is bad because ...
0
votes
1answer
491 views

IIS6 SMTP service attempts to send mail to domain root A records instead of MX, why?

Getting some random bouncebacks on e-mail processed through an IIS6 SMTP service acting as a smart host (outbound mail gateway). Configuration example... For domain example.com we there is a Root A ...
1
vote
1answer
778 views

How Do I Troubleshoot Exim Mail Retry Issues?

My server is encountering high CPU load (like almost pegged at 100%) so much that the Apache service can't run and we get Apache 500 errors. We used a script to catch this and this is where we ...
9
votes
2answers
3k views

What is the best method for sending email on behalf of my clients' domains?

I wanted to know the best way to make my mailserver send emails on behalf of my clients' domains, without being greylisted and also avoiding bounce problems. I've been reading some other questions ...
1
vote
1answer
547 views

Email id @ IP address

I getting the following error while I am taking SMTP test. The SMTP server does not accept mails to postmaster@[IP_ADDRESS]. This is a very bad thing, as this address is used by people that don't ...
-1
votes
2answers
672 views

What exactly should HELO say?

I have MX records setup at mail.domain.com and my domain is visible through domain.com I am sending email via PHP PEAR Mail package. This page claims I can change: The value to give when sending ...
2
votes
1answer
4k views

How long mail server tries to deliver email to recipient?

I would like to create a list of default times that mail server will try to deliver email to other email server before it sends information Unable to deliver back to sender (I mean temporary errors ...
-1
votes
1answer
3k views

How configure Zimbra to bounce mails over a given size limit?

How to configure Zimbra to bounce/notify email to sender due to over attach size from external mails like Gmail, Yahoo, etc.. I am using Zimbra open source edition. Undelivered mails are not bouncing ...
2
votes
2answers
2k views

Trying to set up a catch all e-mail in Exchange 2010

We're looking to set up an e-mail sub-domain for a project, and we need to set up a catch-all e-mail address, so whether people send project updates to project1234, or project4321, it will redirect to ...
0
votes
1answer
355 views

Bounced emails for hosted sites bounce to nobody at the server - how to configure to return to the hosted site

I am helping out with some Linux admin work. The server hosts several sites. The admin interface used is WHM. When an email from one of the hosted sites bounces, the site is not notified - it just ...
0
votes
2answers
1k views

Email rejected for no rDNS by AOL despite having rDNS [duplicate]

I am having trouble while attempting to send a single email to an aol.com user. I get a rejection reply as follows: Your message did not reach some or all of the intended recipients. Sent: Wed, ...
3
votes
2answers
371 views

Has anyone setup a temporary webmail server to catch emails during an outage?

I've recently been in a situation where an Exchange email server went down and we weren't able to bring it back online after 48hrs, so some incoming emails bounced. Also, users weren't able to send or ...
3
votes
1answer
905 views

SPF problems with Google Apps

I currently have an SPF record with a hostname of @ that is: v=spf1 mx ip4:x.x.x.243/32 include:_spf.google.com include:amazonses.com ~all I also have another record of" spf2.0/pra mx ...
0
votes
1answer
549 views

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 ...
1
vote
1answer
683 views

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 ...
0
votes
1answer
103 views

Are you able to filter outgoing NDRs based on Header in Microsoft Exchange?

I administrate an email system for a commercial ISP. I'm currently having an issue with one of our customers relaying outbound SMTP traffic from their Exchange system through ours, and they're ...
2
votes
4answers
7k views

Cannot recieve incoming email on recently transferred domain - all MX records updated and have proper status

Domain Name: digiwhirl.com Edition: Free edition Affected Username/s: N/A Issue Description: Cannot recieve incoming email on recently transferred domain - all MX records updated and have proper ...
2
votes
1answer
437 views

Is it possible to check the Apache user's mail?

I'm trying to debug a problem with sending mail on a Red Hat/Apache server. When I send email from the command line using sendmail -t, I get bounce-back emails with messages like this: The original ...
0
votes
2answers
220 views

My mails are filtered and delivered to Hotmail's JUNK mail folder

I've contacted Microsoft and filled in the JMRP, SNDS, and SenderID registration. Also I've put the correct SPF record on my server. After several tests I note that emails containing plain text go to ...
0
votes
2answers
1k views

Stopping spam-related bounced emails

One of my e-mail customers is currently on the receiving end of massive amounts of delivery failure notices as a "Nigerian scammer" seems to be using her address as its MAIL FROM field. A lot of it ...
0
votes
1answer
58 views

Bounce Email Query

I wanted to check if there is a way to differentiate between bounced emails and auto-responses (out of office replies,etc..)? -Ashish
0
votes
1answer
7k views

Email bouncing because IP name lookup failed, but I can see rDNS

I am seeing a lot of email bouncing from my server... the bounce messages indicate that the IP does not have reverse DNS set up, but I can see valid rDNS records when I query it on my local machine. I ...
25
votes
7answers
15k views

How to stop spammers from sending spam as me

We've starting to receive bounced spam messages and the sender is one of our email address. We know that we don't send spam from that address. We've tried changing the password but we're still ...
2
votes
1answer
718 views

Email bouces to tell me it was delivered?

I get this back after sending an email. It says "Your message was successfully delivered", then why do I even get this? Or this phrase referes to something else? Reporting-MTA: dns; gmmr6.centrum.cz ...
0
votes
1answer
134 views

smtp working pop not working

My DNS settings are as follows. A Record: HOST = @ POINTS TO = 65.75.241.26 HOST = beta POINTS TO = 65.75.241.26 HOST = stable POINTS TO 65.75.241.26 CNAME Records: HOST = e POINTS TO ...
0
votes
2answers
76 views

unable to receiving emails to my client

I created my own mail server client my domain name is www.softmail.me from this mail client I can able to send emails to any email provider but I cannot receive any emails back. I hosted my client at ...
0
votes
1answer
2k views

550 5.7.1 Your email messages have been blocked by the recipient OR by Trend Micro Email Reputation Service

I have an email account with POP3 connection and I am having a problem sending emails when I'm out of the office. I keep getting this email error message "550 5.7.1 Your email messages have been ...
1
vote
3answers
274 views

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. ...
-2
votes
1answer
105 views

Does gmail avoid from some emails even to be in spam box? [closed]

Does gmail avoid from some emails even to be in spam box? Thanks in advance
1
vote
2answers
2k views

How to disable all bounce back email in exim 4.69

I have set up an email server to send out solicited newsletters. There should be no "regular" users of this server, so it is not desirable to send bounce notifications back to the recipient. ...
5
votes
1answer
499 views

Avoid creating backscatter on a Postfix forwarding server

I run a Postfix server that hosts a small, alias-based mailing list. Let's say people@myserver forwards to alice@someprovider and bob@someotherprovider. Now, alice@someprovider might use a more ...
1
vote
2answers
336 views

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 ...
0
votes
1answer
1k views

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 ...
0
votes
3answers
255 views

Why is Yahoo blocking our email address verifications and bouncing them back

I have a legitimate site www.angelescity.ph a Free Classifieds site, once someone posts an advert a verification email is sent.. Yahoo has been blocking them, not delivering and bouncing them back, ...
0
votes
1answer
547 views

Email being bounced if email recipient domain name == local domain

I have a website where the domain uses an external mail server (defined by mail.mydomain.com and the MX record). An example email address is johndoe@mydomain.com. Whenever the server sends a ...
0
votes
2answers
708 views

centralize postfix bounces

Is there any way to tell postfix to send ALL bounces to ONE mailbox? Right now bounces are sent to the Sender, but I would like to collect them all at one central place for further analyzing etc. I ...
2
votes
3answers
2k views

Stop spoof emails in Google Apps

Desperately need some help here. I've been using Google Apps for my domain (2qubed.co.uk) for over 2 years now with no problems at all until recently. For the past few months I have been getting lots ...
0
votes
1answer
210 views

After Exchange Server Change Local EMails Bounce

We recently changed from an SBS 2003 to an SBS 2008 setup. In the process of migration, we have come across an issue whereby some users are receiving NDR emails when sending internal email. ...
1
vote
3answers
472 views

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 ...
0
votes
3answers
151 views

Why can I send an email to an external email address from outside of the server but not inside?

I have an email address that is a forwarded address hosted on GoDaddy. It forwards to an email address on my Exchange 2007 Server. My clients have no problem sending to it and if I use my own G-Mail ...
1
vote
1answer
742 views

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 ...
0
votes
1answer
116 views

Email trouble with ISA 2004 behind Cisco ASA

Without going into the whys, I've got an ISA 2004 server behind a Cisco ASA. Since the installation of the ASA, I can no longer send email to one particular domain. I get a "500 Non RFC-compliant ...
2
votes
1answer
581 views

Postfix - Send only rejected mail through smarthost

I'm trying to improve the mail delivery for an organisation I work with (no spam). We have been using our normal mail service's smtp server as a smarthost for delivery, but recently they have blocked ...
0
votes
2answers
2k views

Messages fail to deliver when sending out a mass email

A client of mine sent out a mass email to a bunch of people on his contact list. A bounceback email was received by my client stating that: "The server has tried to deliver this message, without ...
2
votes
5answers
1k views

How to configure email server to send lots of transactional emails

My organization is currently outsourcing email delivery to an SMTP service provider. We're considering bringing that back in house to deliver our own emails. We send about 5k transaction emails per ...
0
votes
2answers
91 views

Email server configuration problem

I used the tool here: http://www.mailenable.com/Tools/memaillookup.asp (I'm using Mailenable on a Windows Server machine) for mail.carleadcanada.ca and I get FAIL, Unable to determine name servers ...
1
vote
2answers
2k views

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: ...
0
votes
2answers
1k views

Outlook 2010 throws errors when sending out a mass email

On Friday I attempted to help a client send out a mass email from Outlook 2010. I'm fairly weak in Outlook and I did a bit of research that one way to accomplish a mass email was to use the Mail ...