All Questions
Tagged with spam exchange-2010
33
questions
0
votes
2
answers
428
views
Spammers can send me mail from my own email address with a different IP
I have checked everything and, normally, my server blocks all spam messages, but not this one. It does not originate from our servers but they get relayed to our company with our username. It looks ...
- 101
1
vote
1
answer
539
views
How do I apply DNSBLs on MS Exchange 2010?
We are lately receiving more spam. I was told we should use DNSBLs in order to reduce number of spam mails effectively.
All I was able to find out was to add IP Block List Providers manually. This is ...
- 87
0
votes
1
answer
79
views
Some Users receiving more junk spam mail
To start: we are using exchange 2010 with spam assassin.
Some of our users are experiencing a rise in junk spam emails for about two weeks now. Most of these junk emails even get to the normal inbox ...
- 87
13
votes
3
answers
50k
views
All External Mail to Office 365 Fails SPF, Marked as Junk by EOP in a Hybrid Deployment
In short: legitimate emails are landing in Junk folders as EOP (Exchange Online Protection) stamps email messages as junk (SCL5) and SPF-failed. This happens with all external domains (e.g. gmail.com/...
- 318
0
votes
1
answer
529
views
Exchange 2010 - how to hide first hop IP from mail headers
My company has an Exchange server which forward outgoing emails to a mailhub, which has a spam filter.
(user)----(company's Exchange)----(mailhub with antispam)----(the world)
It happens that my ...
- 189
2
votes
2
answers
6k
views
DNS and SPF configuration for Microsoft Exchange
We've started receiving spam with spoofed addresses from our own domain. So I'm trying to get my PTR and SPF records etc correct to prevent it. We're running Exchange 2010 on site with one server ...
- 253
3
votes
1
answer
78
views
How to deploy separate DNS server for email filtering
I'm looking to install Vamsoft ORF as a spam filter for my domain. Looking at the Deployment Guide I've noted the following statements regarding DNS.
The server should not be the same DNS server that ...
- 33
1
vote
0
answers
144
views
Exchange 2010 still sending NDRs even when disabled
We have 2 Exchange 2010 SP3 Rollup 7 Servers in our organisation. 1 server receives all external SMTP mail. Both servers have AVG Email Server Edition installed and operational.
I have disabled '...
- 150
0
votes
1
answer
409
views
Exchange 2010 SPAM filter
We have Exchange 2010 with the built in SPAM filter installed. Was wondering if there is a way to check what messages have been blocked. We have a customer trying to send an e-mail and it never ...
- 67
1
vote
2
answers
2k
views
Quick/safe way to mass delete SPAM messages from 100+ inboxes
Looking for a way to delete all messages from particular senders out of every affected users mailbox, typically 100-200/10,000. When I approached our Exchange admins about this idea I was met with ...
- 11
2
votes
1
answer
7k
views
How to setup a daily report of the top e-mail senders in Exchange 2010
We have had issues with compromised Exchange accounts sending a large amount of unsolicited e-mails out. We have mitigated this by using a cloud e-mail gateway that does a better job in detecting ...
- 10.9k
1
vote
2
answers
10k
views
Exchange 2010 email spoofing prevention
Masters,
Unfortunately we got some spam mail which seems to be coming from our own domain.
I found some article which all says to remove Anonymous login from internet receive connector
(http://...
- 227
0
votes
0
answers
4k
views
Exchange 2010 Mail stuck in Queue - HUB Version 15 - Journaling
I have issues with my queue on my Exchange 2010 Hub Transport server. When I do a Get-Queue, I can see over 1000 emails on queue and the next hop is Hub Version 15! I don't have a clue what a Hub ...
- 29
1
vote
0
answers
2k
views
How do you view quarantined mailbox on Microsoft Exchange 2010?
When certain emails are quarantined for high spam scores, exchange sends a default email to the recipient stating that the email was quarantined for x reason. How do you view the quarantined emails? I ...
- 1,079
10
votes
1
answer
527
views
Microsoft is blocking mail from entire netblock. ISP doesn't know what to do?
I recently moved a client from basic T1 service to a multi-site MPLS solution with same vendor. The ISP, XO Communications, provided a decade of stable service as a T1 provider. The process of moving ...
- 199k
0
votes
1
answer
239
views
Reverse dns and SaaS Spam Filters
We have an exchange server in the office that for a year or so has just used the built-in spam filters - we have added the SpamHaus IP addresses so that some basic spam filtering is done. However, ...
- 101
2
votes
1
answer
3k
views
Exchange Server 2010 Relaying Spam
Recently I began receiving AOL spam feedback reports from our exchange server. As I investigated I found that hundreds of spam messages were being relayed through our exchange server. Although I am ...
- 158
3
votes
2
answers
30k
views
Allow email from a particular sender through spam filter
We are running exchange 2010 and are using the built in anti-spam feature.
We have set up Content Filtering, IP Block List Providers, Sender ID, Sender Reputation and it filters out most of the junk ...
- 473
0
votes
1
answer
2k
views
Spam or exchange issue?
I am getting an error message to unknow user on my domain. I would like to know is this just a phishing spam email or it was really send from our domain? I have changed our domain name to OURDOMAIN....
- 654
3
votes
1
answer
4k
views
Header to redirect to Junk E-Mail folder?
For Exchange 2007/2010, is there a header I can set outside of the Exchange organization, that once that message reaches the Exchange org, it will automatically be classified as spam?
The use case is ...
- 121
1
vote
2
answers
9k
views
Setting SCL value on emails in exchange 2010
Emails on my Exchange 2010 server do not have a SCL value or X-MS-Exchange-Organization-SCL: in the email header.
Does anyone know how to enable this so I can filter spam from my users
Thanks
- 2,672
1
vote
3
answers
2k
views
Exchange 2010 forwarded emails by external servers being blocked
Our users were getting spam messages from their own accounts (same domain/login for example [email protected] to [email protected]). This is preety standard trick and I decided to block it so that ...
- 3,725
0
votes
1
answer
9k
views
Outbound message getting 554 rejecting banned content from Postini
Setup: In-house Exchange Server 2010 using Postini for spam protection.
An user in our organization is getting his outbound emails to a particular recipient bounced back with an error of "Postini #...
- 141
2
votes
1
answer
579
views
Why would messages in Exchange 2010 R1 with 0 SCL scores end up in Junk Mail folder?
We have Hub Transport rules that mark e-mail messages with a 0 SCL score if they meet certain criteria. However, some messages that should be caught by these rules are still ending up in the Junk Mail ...
- 10.9k
1
vote
2
answers
743
views
Remove one's domain from general spam blacklist
We've a problem similar to the question Getting a domain name off of the blacklist but the solutions posted there doesn't help.
The problem I'm facing is that our domain is probably marked ...
- 235
4
votes
1
answer
4k
views
Forefront Protection for Exchange - Allowed sender still delivered to Junk Mail
I've got a fresh install of Server 2008 R2 SP1, Exchange 2010 SP1, and Forefront 2010 Protection for Exchange. All on the same box, Exchange is CAS/Hub/MBS. This is a testing box, looking to evaluate ...
- 78.2k
2
votes
2
answers
1k
views
Outbound business email being marked as spam in other organizations
Wanting to make sure I've done everything I can to prevent our legitimate email from being incorrectly marked as spam by other companies:
Exchange 2010 with SP1, no major changes in 6 months.
I've ...
- 3,983
1
vote
1
answer
483
views
Best anti-spam & anti-virus solution [closed]
We are looking for the best anti-spam and anti-virus solution to protect a multi-tenented Exchange 2010 system with 500 mailboxes (upgrading to 750 soon).
We are looking at the Barracuda 400 boxes, ...
- 542
0
votes
1
answer
839
views
quarantine mailbox not receiving quarantined items exchange 2010 anti-spam content filtering
On exchange 2010, i have the anti-spam features installed on the hub transport.
I have the content filtering enabled, with quarantine if the scl is higher than 7. this is the only option i have turned ...
- 1,079
1
vote
1
answer
103
views
Temporary E-mail Addresses in Business
I'm a big fan of services like mailnull which allow users to give a temporary e-mail address to prevent spam.
I'd like to give something like this to my users.
Does anyone know of any solutions ...
- 1,286
0
votes
1
answer
206
views
Do you need additional Security Products besides Forefront Security For Exchange Server
Does Forefront for Exchange Server 2010 cover the entire windows server or just the Exchange 2010 installation on a Windows 2008 R2 server? Do we need to run an additional Forefront product for full ...
- 143
1
vote
1
answer
3k
views
Content Filter is enabled and the last definition update was over 12 hours ago
Microsoft Forefront Protection for exchange server 2010 has been installed and I get updates for all of the engines except the spam one.
These are the health points I have installed:
Spam definition ...
1
vote
1
answer
2k
views
Forefront 2010 Antispam vs Exchange 2010 Antispam?
They look pretty similar, do they work together or independently?
For example you have content filtering in Forefront where you can specify SCL barriers, just like in Exchange. However theres no ...
- 163