Questions tagged [ndr]
38 questions
4
votes
1 answer
Exchange 2003 mail non-delivery (NDR), spam activity? events 7002 & 7004
Windows Server 2003 Small Business Server SP2
Exchange Version 6.5 (Build 7638.2: Service Pack 2)
This network has been neglected and has been having email problems for years and was on many blacklists. I was called in after the server eventually…
HighTechGeek
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3
votes
1 answer
Moving X400 address to user's new mailbox, internal NDR
We have a user who has had access to his old mailbox restricted by management. However, they want them to continue to receive mail in a new mailbox using the same SMTP address.
The situation is, the old and new mailboxes both exist, so internal mail…
James Edmonds
- 1,653
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2
votes
3 answers
Exchange 2007 NDRs
We have NDRs disabled on our Exchange 2007 server to prevent backscatter. Is there any way to enable NDRs only when messages exceed size limits? It can be frustrating for people when their messages don't go through because they are too big but…
Brett G
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2
votes
1 answer
Tracking 5.1.1 User Unknown in Exchange
We recently discovered that one of our mailboxes was missing an important email alias, because the person that did our marketing forgot to ask for it to be created.
Is there any way in Exchange that we can track any emails that may have been sent to…
Mark Henderson
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2
votes
1 answer
Exchange 2003, disable NDR
How do I completely disable NDR messages in Exchange 2003? I don't want Exchange to send any non delivery reports anymore.
I did already:
From Exchange System Manager, Global Settings, Internet Message Format.
Right click > properties. Advanced…
jao
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1
vote
1 answer
How to stop Backscatter (NDR) from spoofed Mail address?
some one is sending mails from a spoofed mail account from our domain (randomname@ourdomain.com) to hundreds, sometimes thousands of non existant russian E-Mail addresses.
The web hosts send out NDRs to the non existant address on our server,…
Rimini
- 31
- 4
1
vote
2 answers
Sporadic email delivery to one user
I have a user that occasionally does not receive emails from outside our organization. It does not seem to matter whether the other person is replying to an initial email or sending a new message.
I have checked the Exchange System Manager and there…
minamhere
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1
vote
2 answers
Single User cannot send email to public folder - exchange 2010
I have a single internal user who is receiving the following NDR when sending mail to a mail enabled public folder. It is fine for all other users, internal and external. I'm waiting to hear back from the user to try and delete the cached version of…
Greg Arnold
- 11
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1
vote
0 answers
Exchange 2010: not receiving NDR when sending email using SMTP to none existing external mailbox
We are sending email using smtp port 25 in a local Exchange 2010 server
We do not set username nor passwords in the SMTP connection, only "form" address.
Mails are sent to external recipients after the Exchange enabled our server as an anonymous…
Roeya
- 11
- 2
1
vote
0 answers
Exchange 2013 NDR attack
Recently I setup an exchange server 2013 sp1 on windows 2012 R2 and now it is under reverse ndr attack. I just have one server with Mailbox server role and CAS role on it.
I don't want to disable ndr of my exchange server. Is there any other way…
user215348
- 11
- 1
1
vote
1 answer
What is the correct way to get an NDR to be sent when a bounce back occurs?
I have a user who developed a WebApp that sends SMTP messages. Users are able to reply to the message using a MUA (outlook, whatever) but there is no NDR if the user doesn't exist.
I suspect that the envelope is empty or missing and only the body…
makerofthings7
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1
vote
1 answer
Exchange 2010 oversized mail notification
Earlier we have Exchange 2003. In exchange 2003 when set the maximum size of sending / receiving mail, we can set an e-mail address where we see a notice if we have an undeliverable mail.
Now we changed our servers, and our Exchange 2010 we can't…
holian
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1
vote
4 answers
Sending bounce mail messages customized for employees no longer with the company
Currently we use a hosting company for our Exchange services. We are considering a switch to Google apps, but that is in a pilot program at the present time.
Our Exchange provider and Google Apps both have the ability to send e-mail that has been…
Richard West
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1
vote
3 answers
Hotmail Senders receiving NDR : "550-Please turn on SMTP Authentication in your mail client..."
Recently, senders from Hotmail have begun to get the following NDR when trying to e-mail our domain.
EDIT : Full NDR Message
Action: failed Status: 5.5.0 Diagnostic-Code: smtp;550-Please turn on
SMTP Authentication in your mail client, or login…
DKNUCKLES
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1
vote
1 answer
What is the role of the "generating server" and/or "Reporting-MTA" in an Exchange NDR?
I'm a little confused on what exactly the "generating server" does in an NDR.
For example, I got the following NDR back when sending to a specific domain:
Diagnostic information for administrators:
Generating server:…
Mike B
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