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Exchange misinterprets the SPF records

July 31, 2013, 4:03 pm
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Hi,

I think Exchange SPF control doesn't work correctly, for instance when I get an email from twitter to my Exchange(on-premise) mailbox it marks as SPF fail but the same email pass the SPF control of Hotmail, Gmail or Office 365.

    

Exchange mail header:


From: Twitter <n-fz=geraqlby.pbz-caabf@postmaster.twitter.com>
Return-Path: za9d488917fz=geraqlby.pbz@bounce.twitter.com
Received-SPF: Fail (exchange.domain.com: domain of
 n-fz=geraqlby.pbz-caabf@postmaster.twitter.com does not designate
 199.59.150.82 as permitted sender) receiver=exchange.domain.com;
 client-ip=199.59.150.82; helo=spruce-goose-am.twitter.com;


Gmail:

Return-Path: <z00cb00917uu=uhfrlvahany.arg@bounce.twitter.com>
Received-SPF: pass (google.com: domain of z00cb00917uu=uhfrlvahany.arg@bounce.twitter.com designates 199.16.156.171 as permitted sender) client-ip=199.16.156.171;
Authentication-Results: mx.google.com;
       spf=pass (google.com: domain of z00cb00917uu=uhfrlvahany.arg@bounce.twitter.com designates 199.16.156.171 as permitted sender) smtp.mail=z00cb00917uu=uhfrlvahany.arg@bounce.twitter.com;
From: "User (via Twitter)" <i-uu=uhfrlvahany.arg-71a04@postmaster.twitter.com>



Hotmail:

Authentication-Results: hotmail.com; spf=pass (sender IP is 199.59.150.99; identity alignment result is pass and alignment mode is relaxed) smtp.mailfrom=zdca9fe917uhfrlvahany=zfa.pbz@bounce.twitter.com; 
X-SID-PRA: i-uhfrlvahany=zfa.pbz-077df@postmaster.twitter.com
Return-Path: zdca9fe917uhfrlvahany=zfa.pbz@bounce.twitter.com
From: "User (via Twitter)" <i-uhfrlvahany=zfa.pbz-077df@postmaster.twitter.com>

 
Office 365:

Received-SPF: pass (mail68-co1: domain of bounce.twitter.com designates 199.16.156.171 as permitted sender) client-ip=199.16.156.171; envelope-from=z4928f1917uhfrlva.hany=fvzgrearg.pbz@bounce.twitter.com;
Return-Path: z4928f1917uhfrlva.hany=fvzgrearg.pbz@bounce.twitter.com
From: "Username (via Twitter)"
<i-uhfrlva.hany=fvzgrearg.pbz-7cd35@postmaster.twitter.com>

We are using SPF control by transport rule, that's way some emails going to junk folder.


Do you have any idea about that?


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disable duplicate detection

August 2, 2013, 5:58 am
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Hi everybody,

I know duplicate message detection is a nice feature at all.

I have one requirement (some kind of archiving) in which this is really not wanted.

I've seen that it might be possible to disable this at all by setting the following key to 0:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\<Server
 Name>\<Private/Public-Guid>\Track Duplicates (in hours)

As I don't want to disable duplicate detection at all but only for only recipient mailbox I didn't go into that direction.

Does anybody knows if it is possible to disable this on per user / per mailbox basis?

Thanks a lot,

Matthias

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Exchange 2010 - Need to prevent random domain aliases from being created on mailboxes - Helpdesk added imaginary domain aliases to users... Business cards were made...

August 2, 2013, 6:08 am
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Murphy strikes.<o:p></o:p>

We own a domain e.g. newcompanyINC.com (was available for purchase)<o:p></o:p>

Users request alias newcompany.com (was not available for purchase)<o:p></o:p>

Helpdesk adds bad alias to 50 accountsuser@newcompany.com vs good alias user@newcopmanyINC.com 
- Works internal? Does not work external...<o:p></o:p>

Usual end-user complaint about not getting mail and 2 hours latter voila! <o:p></o:p>

I assume this is related to our migration from zimbra to exchange last year... I assume we had to do something to allow non-authoritative domains to be used for aliases... I assume that this allows random aliases to be added to a mailbox...<o:p></o:p>

So... Zimbra would not have allowed the helpdesk to add an alias for a non-existent domain. Is the exchange behavior normal and unchangeable, default and changeable or migration related hack that needs undone?<o:p></o:p>

Did not see a option to submit to 2010 forum?
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Exchange Rejecting Email NDR (SMTP 4.3.2)

August 2, 2013, 11:49 am
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It seems 4.3.2 can have many causes.   I get this code in my SMTP log randomly and have no idea how to troubleshoot it.
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Exchange 2013 to Exchange 2007 migration unable to send mail to Exchange 2007

August 2, 2013, 11:25 am
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I have a Windows Server 2012 Server with Exchange 2013 CU2, Revision 2.

I can send mail from Exchange 2013 to users on Exchange 2013, I can send mail from Exchange 2013 to people on the Internet.

I can send mail from Exchange 2007 to users on Exchange 2007, I can send mail from Exchange 2007 to users on Exchange 2013, I can send mail from Exchange 2007 to the Internet.

I cannot send mail from Exchange 2013 users to Exchange 2007 users.  The message is stuck in SMTP Relay to Mailbox Delivery Group, and it receives a 421 4.4.2 Connection dropped due to socket error.

I have verified that there are MX records for each server in the domain.  The two servers are next to one another and connected to the same Gigabit switch.

Looking at the receive connector logs it gets to passing the allowed forms of Authentication, the Exchange 2013 server sends back X-ANONYMOUSTLS - the Exchange 2007 server passes the certificate, last line shows - LOCAL and that is all. I can see 3 attempts in the log during each retry to send the mail from Exchange 2013.

I have tried to enable Verbose logging on the Exchange 2013 Send connector, and have not been able to see a log created for this delivery from Exchange 2013 to Exchange 2007.

Exchange 2013, has been upgraded to CU1, CU2, and CU2 Revision 2. Exchange 2007 has the latest SP and updates.

I created a self signed certificate and assigned that to SMTP on Exchange 2013 in case it did not like one of the names of that server being missing from the Certificate created during install.  That did not help.


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After unexpected shutdown Exchange doesn't work correctly: 451 4.7.0 Temporary server error. Please try again later. PRX2.

August 4, 2013, 12:54 am
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In event viewer i have these logs:
Microsoft Exchange couldn't start transport agents. The Microsoft Exchange Transport service will be stopped. Exception details: Failed to create type 'Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory' from assembly 'C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\agents\Hygiene\Microsoft.Exchange.Transport.Agent.Hygiene.dll' due to error 'Error trying to set property 7 with size 103750. (Maximum: 65536 bytes)Parameter name: value'. : Microsoft.Exchange.Data.ExchangeConfigurationException: Failed to create type 'Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory' from assembly 'C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\agents\Hygiene\Microsoft.Exchange.Transport.Agent.Hygiene.dll' due to error 'Error trying to set property 7 with size 103750. (Maximum: 65536 bytes)
Parameter name: value'. ---> Microsoft.Exchange.Data.ExchangeConfigurationException: Error trying to set property 7 with size 103750. (Maximum: 65536 bytes)
Parameter name: value ---> System.ArgumentOutOfRangeException: Error trying to set property 7 with size 103750. (Maximum: 65536 bytes)
Parameter name: value
   at Microsoft.Exchange.Data.Transport.Interop.ComArguments.set_Item(Int32 id, Byte[] value)
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.SaveCustomWordsToPropertyBag(ComArguments comArguments)
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.InitializeFilter()
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.InitializeFilter()
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.Configure(Boolean onStartup)
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory..ctor()
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.FactoryTable.CreateAgentFactory(AgentInfo agentInfo)
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.FactoryTable..ctor(IEnumerable agents)
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.RuntimeSettings..ctor(MExConfiguration config, String agentGroup)
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.MExRuntime.Initialize(String configFile, String agentGroup, ProcessTransportRole processTransportRole, String installPath)
   at Microsoft.Exchange.Transport.Extensibility.AgentComponent.Load()
Failed to create agent factory for the agent 'Content Filter Agent' with error 'Failed to create type 'Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory' from assembly 'C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\agents\Hygiene\Microsoft.Exchange.Transport.Agent.Hygiene.dll' due to error 'Error trying to set property 7 with size 103750. (Maximum: 65536 bytes)
Parameter name: value'.'. Please verify the corresponding transport agent assembly and dependencies with correct version are installed.

Unable to initialize the Content Filter agent: System.ArgumentOutOfRangeException: Error trying to set property 7 with size 103750. (Maximum: 65536 bytes)
Parameter name: value
   at Microsoft.Exchange.Data.Transport.Interop.ComArguments.set_Item(Int32 id, Byte[] value)
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.SaveCustomWordsToPropertyBag(ComArguments comArguments)
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.InitializeFilter()

and i don't know what is wrong?

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How to get the user name from particular Application event using Powershell script

August 4, 2013, 3:40 am
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Hi,

I want to get the user name from particular windows event ID and restrict that user to receive email from particular group. Can anyone  please help me the powershell commands here.

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At what criteria IP's are getting blacklisted

August 5, 2013, 3:40 am
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Hi Experts,

At what criteria IP's or Domains are getting black listed? since i have an meeting with my manager. he requested me to collect the the possible criteria. Can i have the reasons ASAP.

Thanks, Venkatesh. &quot;Hardwork Never Fails&quot;

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Email forwarding

August 5, 2013, 1:09 pm
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Can you tell when an email address was set to begin forwarding?

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Exchange Server 2013 Email Performance with Rules

August 4, 2013, 7:36 pm
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Hi All,

I noticed that in Exchange Server 2013 Sending & Receiving Emails with Transport Rules applied to these emails are Slower than Exchange 2007.

The Environment was Exchange 2007 with latest Updates and Service Packs and Internal Emails usually takes 5 Seconds Maximum to be Received but when upgraded to Exchange 2013 Internal Emails Exactly now takes 20-22 Seconds to be Received .

How i can increase the performance of the emails to be the same as before?

Thanks.

Check out My Blog. http://crm-revolution.blogspot.com/

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Autodiscover problem

August 5, 2013, 5:43 am
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Here is the scenario - I have a hosted email environment with a couple thousand users on rackspace

                              - I am migrating all the users to a new dedicated service also on rackspace. using the same exact email address.

                               the migration will last a couple of weeks. My problem is that if I repoint autodiscover  to the new environment  I get a certificate error on my (old) hosted email and the clients will not connect to exchange.

Is there a way to have both systems using autodiscover? or can I rename autodiscover to something else on the new system?

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Exchange 2007 Transport Rules don't work

August 6, 2013, 9:50 am
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Hi,

So I needed to setup an email capture for all mails sent to and received from 3 External Domains. For example  - any emails sent to/or recieved from @abc.com and @xyz.com from my domain should be captured. So this is what I did.

1) I created an email address called ecapture@mydomain.com

2) Created transport rules for any emails sent to Users inside the organization and when the from address contains @abc.com BCC the message to ecapture@mydomain.com

3) Created transport rules for messages sent from users inside the organization and when a To (message header) contains @abc.com

I created the same rules for the other 2 domains. Unfortunately none of the rules work :(. I tried restarting the transport service, and I restarted the server too, but the rules just dont work. I checked the status of the rules on the command shell and it shows enabled as well. Any help would be appreciated.

Thanks!

SZ

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Exchange 2013 - Internal Open Relay - Spam issue

August 6, 2013, 7:10 pm
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Hello,

I want to give access to internal devices and third party software on network joined machines on the internal network to be able to use exchange 2013 to send email to external and internal recipients.

I setup a new Receive Connector with role of FrontendTransport.

Under security I have enabled

-Transport Layer Security (TLS)
-External secured (for example, with IPSec)

Under permission groups I have Exchange servers ticked (I also tried anonymous, have same issue)

Under scoping I have remote network settings being my subnet e.g. 192.168.10.0/24

I thought that should do what I want. However, when I activate the connector, my submission queue gets bombarded with spam. Mostly from randomcharacters@yahoo.com, with subjects that are like ascii characters. e.g. within 24 hours I had 140,000 emails in the queue, so I ended up having to disable my SMTP forwarder queue and deleting the queue directory altogether then restarting.

Do I have it configured incorrectly, or is my spam issue originating from a machine on the subnet?

Thanks,

Blair

Blair

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Exchange 2013 Anti-Spam stopping transport server

August 5, 2013, 12:12 pm
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Hi,

I am needing some assistance with an Exchange 2013 server, I have activated the anti-spam feature however it is stopping all mail internal and externally. I have disabled and removed the feature anti-spam however mail is still not working.

If I look at the netstats the service is not listening, all the transport services are running with no issues. If I send a mail from an external address to an internal address it gets delayed.

Looking forwards to some help with this.
Regards,
Gareth

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Exchange 2010 outbound emails stuck in queue - 451 error

August 7, 2013, 3:29 am
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Hello,

We have an Exchange 2010 server that was sending emails ok until the Internet connection changed ISP.

All emails get stuck in the queue with the following error:

451 4.4.0 Primary targeted IP address responded with: "421 4.2.1 Unable to connect." Attempted failover to alternate hosts, or delivery failed to alternate hosts.

Anyone have any ideas please?!

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Transport Service Crashes Regularly

August 6, 2013, 6:15 am
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I have installed Exchange 2013 CAS and am experiencing a Transport Service Crash once a day. I have other CAS servers and CAS installed also on the Mailbox servers. However, only this server is experiencing the service crash. Only a reboot of the server allows us to restart the service. The Error is as follows:

Faulting application name: MSExchangeFrontendTransport.exe, version: 15.0.712.0, time stamp: 0x5199c77c

Faulting module name: Microsoft.Exchange.Net.ni.dll, version: 15.0.712.14, time stamp: 0x51b4dcae

Exception code: 0xc00000fd

Fault offset: 0x000000000069d857

Faulting process id: 0x28d0

Faulting application start time: 0x01ce925a65a3cf0f

Faulting application path: C:\Program Files\Microsoft\Exchange Server\V15\Bin\MSExchangeFrontendTransport.exe

Faulting module path: C:\Windows\assembly\NativeImages_v4.0.30319_64\Microsoft.E91f4adf5#\8aaad3fd24b2f1606acb17becb5d561f\Microsoft.Exchange.Net.ni.dll

Report Id: ac2363fe-fe4d-11e2-93f7-005056b53a73

Faulting package full name:

Faulting package-relative application ID:

Anthony Sheehy - MCP, MCITP

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Exchange 2013 Send/Receive Limits

August 7, 2013, 9:38 am
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Hi all,

Back in April, we upgraded to Exchange 2013 and quickly found out that we cannot receive e-mails large than 10MB. I have looked in every place I can think of and have set all limits to either unlimited or 40MB.

Am I missing something obvious?

Thanks
Tom

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URGENT FIX REQUIRED: A storage transient failure has occurred during content conversion.

February 23, 2013, 10:24 pm
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Hello,

Please help, basically we have the same issue as the following post, only the proposed answer is not the final answer and the issue persists:

http://social.technet.microsoft.com/Forums/en-AU/exchangesvrsecuremessaging/thread/76f4b8b5-7cfe-41c1-a3ef-47aa036612a6

Environment:
Windows Server 2012 DC edition
Exchange 2013 Std edition
Outlook 2013 (Office 2013 Std edition)
No Malware protection enabled within Exchange 2013
No Antivirus application on Windows Server

Issue:
Same problem experienced with two separate installations, random e-mails are stuck in the Exchange Submission Queue with Delivery Type Undefined and retry error "A storage transient failure has occurred during content conversion."

Workaround:
Running the following command will clear the queue but causes adverse effects:

Get-RemoteDomain|Set-RemoteDomain-TNEFEnabled $true


Would be great if Microsoft could help out here, we are sort of stretching relationships with our customers..

Regards,

Lyndon.

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Exchange Send Connector with ISP failover

August 8, 2013, 7:35 am
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I'm in the process of migrating exchange 2010 to 2013 and since now we have a backup ISP I was wondering if ISP1 goes down and the server starts sending using ISP2 which is a different public IP if I have FQDN exch1.contoso.com with ISP1 and the servers which receive emails from my server do revers DNS check on the second IP will see it doesn't correspond to exch1.contoso.com and will treat it as spam in most cases. Do I need to ask my ISP to add a PTR record with the same name for the IP used by my backup ISP?
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How to Create Exchange Rule for Forward mail and Exception calendar

July 31, 2013, 9:15 pm
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Dear All,

How to Create Exchange Rule for Forward mail and Exception calendar.

Example:

  • UserA have forwarding to UserB
  • UserC sent invitation meeting to UserA
  • UserA and UserB have Invitation calendar
  • UserB not need to receive calendar and neee to Except Calendar from UserA

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