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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1answer
627 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
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1answer
102 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 ...
1
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5answers
6k 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
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1answer
397 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
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2answers
214 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
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2answers
955 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
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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
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1answer
6k 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 ...
23
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7answers
14k 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
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1answer
566 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 ...
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1answer
122 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 ...
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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
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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 ...
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3answers
263 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. ...
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1answer
104 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
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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. ...
4
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1answer
453 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
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2answers
297 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
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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
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3answers
252 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
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1answer
509 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
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2answers
672 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
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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
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1answer
208 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. ...
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3answers
456 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
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3answers
146 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 ...
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1answer
677 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
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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
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1answer
563 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 ...
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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
996 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
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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 ...
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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: ...
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2answers
977 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 ...
1
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1answer
479 views

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 ...
0
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1answer
122 views

How to automatically manage undeliverable mail / answers

My application is delivering automated E-mail notifications to the registered users. I would like to find a way to use the undeliverable mail notifications sent by the remote servers to save the ...
1
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1answer
85 views

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 ...
0
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1answer
60 views

Exchange 2003 email bouncing from a public folder

I am having a rather annoying problem within Exchange 2003. At the moment, mail comes in on mail1@mail.com which is picked up by a public folder which everybody has access to. This is auto forwarded ...
3
votes
6answers
4k views

Hotmail and Live.com rejecting all emails

I have been having problems sending emails from my server to hotmail.com and live.com email addresses. I have read other posts on serverfault but they have not been helpful. Here is the error message. ...
0
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2answers
188 views

Will Hotmail DELIVER to spam-friendly ISP?

I have a user who is using Hotmail to communicate with one of our suppliers. Recently, Hotmail started bouncing emails to that address (while other ISPs are working fine.) Hotmail bounce messages ...
0
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2answers
273 views

Where do my email bounces go to?

I'm bit confused, I have a cron job that sends out 12 000 + emails every sunday night, now I'm not sure where the emails that are bounce get send to, will this always be the reply address specified in ...
0
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1answer
984 views

What does “Maximum failsafe period has expired” mean?

On our mailing list, we have been getting the following message Maximum failsafe period has expired. What does that mean?
1
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2answers
192 views

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 ...
4
votes
3answers
3k views

Anyone have a Powershell script to look up the MX record for a domain?

I want to check to see if the email addresses in my contact management system are valid and the best way I can think to do this is to get the MX record for their domain, then open an SMTP connection ...
1
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2answers
584 views

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 ...
0
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1answer
550 views

Postfix bounces and rejects some of non existing emails for same domain

Postfix serves for my virtual domains and works fine. But for one of my domains: - it bounces mails targeted at mail@domain.tld - it rejects mails targeted at nonexisting@domain.tld problem is, ...
10
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3answers
2k views

Implementing Variable Envelope Return Path (VERP) using Exchange

We're looking into implementing Variable Envelope Return Path (VERP) for improved bounce processing for our application. Our current mail infrastructure is MS Exchange 2007 but are in the process ...
3
votes
5answers
2k views

Best practices for mass email platform [duplicate]

I am in the process of setting up mass email service. My question is: what are the best practices to achieve maximum deliver-ability. More precisely - what should I do/know to prevent spam filters ...
1
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1answer
295 views

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 ...
0
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2answers
1k views

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]: ...