Mailflow on Cross Forest migration
Hi all. I am working on a cross forest (inter forest) migration project. Basically I need to migrate all AD user and Exchange 2013 mailboxes from the old AD forest (old.com) to new AD forest...
View ArticleA valid Migration mailbox could not be found for this organization
hello, I am migrating from Exchange 2010 to 2013, everything went smoothly till migration step.Anytime I start a new migration batch I get error "A valid Migration mailbox could not be found for this...
View ArticleEmail flow betwen On premises and Exchange online
Dear Folks,A customer is running with Exchange 2010 SP3. for outgoing emails, it submits emails to Smart Host and for Incoming emails it lands to Yahoo as MX points to Yahoo DNS and through a POP...
View ArticleMail flow not happening internal and external
Team,I am having two VM (exchange 1 and exchange 2) on hyper on which i had installed multi role exchange binaries i.e (cas and mailbox) on both vms. Due to maintainance i had switch off exchange 2...
View ArticleSender not Validated : Mails when sent from another accepted domains
We are running Exchange 2013 with multiple accepted domains.We are stuck with some external recipients reporting that mails sent from 'Domain B' are going to SPAM folder with the reason as "sender not...
View ArticleUser never received an email which was sent
Exchange 2013 File Version 15.00.1104.005An email was sent but the user necer received it.Message tracking says the following:HAREDIRECTASK.research@domain.com5/17/2016...
View ArticleExchange 2013 - 453 4.3.1 Insufficient system resources”.
Hi, I have 2 virtualized exchange 2013 servers. Other mail systems are reporting that emails are taking a long time to get processed by our Exchange server due to "453 4.3.1 Insufficient system...
View ArticleHow to avoid duplicate incoming mails
Hello,I am having a very common issue:Some users in Exchange are receiving duplicated mails because they belong to a distribution group. When a user sends an email to this distribution group in the...
View Articleunable to send message internally from exchange 2013
Hi All,We have Single AD site where we have Datacenter 1 and Dtacenter 2.In DC 1 we have 2 Mailbox/CAs server and in DC 2 we have single CAS/MBX server.All server are member of DAG.Now the issue is...
View ArticleMail Spoofing altough SPF / DMARC are deployed
Greetings,Please your support with this. We have a current mail spoofing attack. Some from an external IP is using our mail relays to send inbound spoofed messages.Ill copy the header and I dont...
View ArticlePublic Folder forward option "Leave message intact" not working
I've seen a few older postings about this, but none of them have a solution. We've upgraded to Exchange 2013 and we're using Public Folder rules to forward messages. When we set the forward type to be...
View ArticleAlerts to Public Distribution List
Hi All,We have a public distribution list which has individual users and other PDL's added into it(cascading PDL'S)Ex: - The root PDL is "RootPDL" which has individual users u1,u2,u3,u4 and other PDL's...
View Articleincoming & outgoing is not working
I have two exchange server 2010 in cluster 2008r2. Hub, Mailbox & CAS roles install in both exchange server. My EX1 working fine but i switch my mail flow to another EX2 then my incoming &...
View Articlehow to set dnslookups through set-transportservice using powershell
Hello guys, Is there a way to set dnslookups using set-transportservice using powershell or in anyway we can updatge/set it but through powershell thanks in anticipation
View ArticleDAG responds with Internal URL
When I do a test on MXToolbox.com our DAG servers are responding with the internal FQDN of the server that received the request. When I attempt the change the FQDN on the Default Frontend (servername)...
View Article2 CAS, 2 Mailbox/CAS (DAG), Citrix Load Balancer
In doing the setup of Exchange 2013 we made sure that the internal and external URLs on all 4 servers were the external FQDN. What I am wondering is if internally we pointed the URLs to the internal...
View ArticleExchange Server 2013 - Removing part of email subject
We are running Exchange Server 2013 – Enterprise edition. Currently we have an inbound content filtering rule on our Symantec Messaging Gateway appliances to where when an email arrives from the...
View Article,-,,Remote in SMTP log
Hi,Can someone please tell me what ",-,,Remote" means in the SMTP send logs, I would expect to see a -Quit not a -Remote.I think its related to a resending problem we have but i'm not sure.ThanksLee
View ArticleExchange 2013 S/MIME setup
I currently have a 2010 exchange setup where we utlize S/MIME for all of our users. I am in the process of migrating over to Exchange 2013 but I'm hitting a road block with the S/MIME setup in 13....
View ArticleExchange 2013 used to send spam
Hi all,I have an exchange 2013 which looks to be used to send spam, I can see the queue growing up with emails from other domains. Here is my setups for content filtering:Name...
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