Exchange 2010 and reverse DNS
Hi I have two exchange 2010 servers: x.x.x.72 and x.x.x.73 I have a reverse DNS ptr record for both of these machines pointing back to mail.mydomain.com My users are getting an error message when they...
View ArticleFitting Citrix Netscaler with Ironport
Hello,Currently we have Exchange 2010 environment and mail flow as below;1 CAS2 MBXInternet --> Ironport --> CAS --> MBXWe are planning for Exchange 2010 to 2013 upgrade and I am preparing a...
View ArticleEror deleting mailbox database folder .."The action can’t be completed...
I deleted an exchange 2013 mailbox database from the ecp, I then proceeded to remove the dbase folder and got the error"The action can’t be completed because the file is open in noderunner.exe"Some...
View ArticleReceive Connector External Relay by IP
I am trying to allow a server to relay through Exchange 2013 to an external email address. I added a new receive connector FrontendTranport port 25 and ran:Get-ReceiveConnector -Identity "xxx" |...
View ArticleConditional Mail Routing in Exchange 2013
Hello all,Is it possible to create a rule in Exchange 2013 based on a message header, and redirect to a custom send connector?It looks like you can do it within Exchange Online with outbound...
View Article451 please retry later (gl)
Hi,I have multiple Mailbox servers. All servers are working fine. Except one mailbox server. Whenever this mailbox server send any email, it stucks in the queue and gave the following error.451 please...
View Article3rd party smtp providers
i have trouble sending email to our other company locations was going to try sending via 3rd party smtp can anyone recommend a one? i found smtp2go have not used one before will it work for this for...
View ArticleExchange 2013 Mail flow issues from exchange 2010 and 2013 bidirectional
Hi Technet May you please assist me if possible I'm currently running exchange 2013 on 2010 (2 exch 2010 servers) environment and having mail flow issues bidirectionally. Mails are sent from 2010 but...
View ArticleIssue about telnet port 25 smtp to spoofing mail on Exchange 2013
Hi all,I have a issue. When i test my mail exchange system by telnet to port 25, i can fake a user on active directory and send mail to another user.Please help me. How i can fix this problem ?Thanks all.
View Articleset-transportservice back to its default value.
Hi Everyone, Here is a quick question that I want to ask?During configuration of the Exchange Server 2013, as I was troubleshooting the exchange server's mail flow, I have used the following cmdlet to...
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Exchange 2010 Spam need to allow only send from local users Domain
We Have Exchange 2010 sp3 and i need to only user in my active directory can send from my SMTP to internet Because i have spam send from my SMTP .
View ArticleGoogle Apps Smarthost resolving to IPv6 with Winsock error
So far I have been unable to track down the cause of this problem.The problem that is happening is the Exchange queues are building on the Exchange servers. I have 2 Exchange 2013 SP1 servers that are...
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Can't receive email to my exchange 2010 server
This is a fresh new install and I'm able to send email to my gmail account, but I am not able to receive.I pointed the MX record in godaddy to point to FQDN and added the A record to point to my WAN...
View ArticleEdge 2013 does not discover all Exchange servers in the org
We have the following co-existence setup:Edge 2013 sitting on the DMZ.1 CAS 20131 MBX 20131 CAS/HUB 20101 MBX 2010After creating a new edge subscription on the edge server and successfully completing...
View Articlepublic calendar folder send mail from administrator
Hi together,after restoring a public (calendar) Folder invitations from this public calendar are sent by the Administrator and not from the People that created the Invitation. This is different to the...
View Article451 4.7.0 Temporary server error. Please try again later. PRX2
I'm getting the dreaded "451 4.7.0 Temporary server error. Please try again later. PRX2" error when receiving SMTP mail.does anyone know exactly what causes this error? there are many references to it...
View Articlemailflow broken - error 451 4.7.0
Hi, i have the following situation with an exchange 2010/2013 coexistence scenario: 3 Servers, 1 2008 R2 Server as DC with Exchange 2010, 1 2012 Server as DC, 1 2012 Server with Exchange 2013. The...
View ArticleCan't figure out how to use Amazon SES as a smart host for Exchange Online
Hi,I have a problem that is proving very difficult to solve, and I'm hoping someone on here might know a bit more about this.I am trying to configure MS Exchange Online to route all emails through...
View ArticleIntermittent 451 4.7.1 PRX2 All Receiving Connectors
I'm having a problem with a new Exchange 2013 CU7 server on Windows Server 2012 R2. Having intermittent 451 4.7.1 Temporary server error. Please try again later PRX2 on receiving mail on connectors...
View ArticleSending Messages Externally
I have a client that has a need for automatic failover of send connectors. The client currently has a send connector that resolves to a smart host and sends to the internet. I need to setup a way that...
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