Send on Behalf of Does not appear in From:
We have Exchange 2013 and Outlook 2010 clients. I have setup Send on behalf for a specific user and it works correctly when the messages are sent within the organization. If the user sends a message to...
View ArticleExecutable attachment in nested archive files (.exe inside .zip inside.zip)
Hello, everybody!Sometimes we receive messages with double zipped executables. For example, there is attachment named "report.zip" with file "report_new.zip" inside. And file "report.exe" in...
View ArticleExchange Adding new users
Hi When I add a new user to my Exchange 2007 server I get the following error when sending to this new user:550 5.1.1 <blichtig@webermessick.com>: Recipient address rejected: User unknown in...
View ArticleWhat is MessageInfo = QDE
Hi, Ex Experts!Help me, please!Using Get-MessageTrackingLog i saw "MessageInfo" field with agent "QDE" value eq "00:24:23" (25 min message not send to internet), after 25 min message completely...
View ArticleExchange and SPF record
Hi all,we are in the plans of implementing SPF record for our domains. Currently we have 10 accepted domains in our Exchange (domainA-domainJ).Our mail route for Incoming is the...
View ArticleEmail bouncing back “Denied by policy TLS conversation required Diagnostic...
Dear Team,One of the domain is not able to send us email they are receiving the below message in the NDR.“Denied by policy TLS conversation required Diagnostic Code SMTP 550 denied by policy”is...
View ArticleExchange 2010 Migration - WAN Optimization
Hello!We want to migrate Mail-boxes from an Exchange 2010 server to another Exchange 2010 server in another subsidiary over the WAN. At both sides is a Riverbed WAN-Optimizer. Problem is that the...
View ArticleEvent ID 4010, error, MSExchange Messaging Policies
Exchange 2013 CU12 in hybrid mode with Office 365 and using EOP.I receive several of these events daily in the exchange servers event logs. they all have random 5 or 6 character domain names ending in...
View ArticleTransport Rule to restrict Character Limit to Specific Domain.
HelloWhat we want to do is restrict the content of emails sent to our Text\SMS delivery Domain to stop one email being coverted into 3,4,5 or more texts.The Character Limit for a Single SMS is 160, I...
View ArticleAfter running Hybrid Configuration Wizard, Outlook doesn't work anymore.
Hello,we are trying to enable hybrid environment and have shot ourselves in the knee, I guess.Our problem:Outlook isn't connecting to Exchange at all anymore, always throwing the errorThere is a...
View ArticleOn line archiving questions
Hello Everyone,I have a question that my super presented to me, and I don't feel I can answer it correctly and I thought I would ping you all to see if this could be possible.My question is this,I...
View ArticleMessages queued in "SMTP Delivery to Mailbox" during outage
Here's the scenario:2 Exchange 2013 Servers configured with combined CAS and Mailbox roles.While simulating an outage on one server (ServerA) by restarting it, any inbound mail (e.g. from the Internet)...
View ArticleHybrid Receive Connector
Hi Guys and Girls i need to set a receive connector on our edge server so that we can receive emails from our 365 mailbox (this is because all mail needs to route through our on prem)what is the...
View ArticleMaintenance Mode - arise mail queues
Hi all,I have the following landscape:A mixed Org. (2007/2013) and a site Dallas and site Texas with some Exchange 2007 and one Exchange 2013 Server per site. My Problem is, when I set the Exchange...
View ArticleOutlook 2013 Will not load New Inbox emails
I have one user that is having problems with Outlook, it will not load new emails, I have uninstalled Office, deleted the profile, and still having the same problem. Our OWA site works and she is...
View ArticleAdded Proofpoint SPAM Filter, now certain domains are not being delivered to...
Hi, So, we have a new client that recently got Proofpoint. We created the account in Proofpoint, loaded up all the users, and placed the proofpoint IP's in the receive connector named mail.XXXXX.org...
View ArticleExternal User receiving many NDRs
Hi,I have a problem with NDRs on Exchange 2013. A user received an external email and the sender keeps receiving many NDRs. Since last Wednesday he got about 650 NDRs of that message.The strange thing...
View ArticleExchange 2013 DLP with Outlook 2010 clients: End-User Experience
Hello,We will soon be upgrading from Exchange 2003 to 2013, but our client software will remain at Outlook 2010. I'm curious to know how the DLP features of Exchange 2013 will impact the users since...
View ArticleSpam Filter and Exchange Online Protection
We have a Sendio SPAM filter and starting a week ago we are unable to send or receive email to or from customers of Office 365, Hot mail or Exchange Online Protection. If we remove Sendio and point...
View ArticleSetting up a mail buffer
Hi All,I would like to know if it's possible to setup a kind of buffer for outbound mails. We would like to be able to have a copy of the mails and, if needed, we can resend the e-mails.I've looked...
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