External Mail Flow not coming into Exchange 2013 Server
We just finished migrating from Exchange 2007 to Exchange 2013 and when I disable a certain receive connector on Exchange 2007 we stop receiving external emails. I have reviewed all of the Exchange...
View ArticleInvalid Read Receipt Sender Address
If someone sends a mail to us requesting a read receipt and the user accepts to send it (regardless of the Client, it's the same in Outlook 2013, Outlook 2010 and OWA), the SMTP FROM is invalid.Instead...
View ArticleHow limit smtp authenticated user to use his own email address for mail from...
Let's start to use authenticated SMTP clients, servers are configured correctly, are exchange 2007, but we find an unwanted behavior.If a user is authenticated, the SMTP server does not validate that...
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Exchange 2013 stating their name and LAN IP in the message header
Friends,our ExchangeServer2013server is sendingemailsnormally, butsometarget servers arecomplaining thatour messagesare coming up withthe nameandLANIPof the serverheader.Look atthe picture thatactually...
View ArticleConfiguring CA Certificate for Exchange 2013
Hello,I have two exchange 2013 server running both CAS and MB roles which are also part of a DAG. To secure mail flow in and out of my organization, I am planning to implement reverse proxy in my DMZ....
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 ArticleE-mails are not going out. all emails stuck in queue exchange 2013
HiI have installed new Exchange server for my company.. but e-mails are not going out from my domain.. I am getting below error.MX, RDS, Exchange connectivity analyzer all going good. but e-mail are...
View ArticleReceive Emails Securly
Hello, I have two exchange servers running both CAS and MB roles. I have also configured a reverse proxy server on my DMZ for secure access to my OWA.I can send emails, but I can't receive emails. The...
View ArticleExchange 2013 "blacklisting" random emails for 1800 seconds?
We use app river to filter out any spam/viruses prior to coming to our Exchange 2013 server. We are experiencing that some emails are being delayed for 1800 seconds through out the day, a sort of...
View ArticleMail Flow stops in Exchange 2010 after migration of Active Directory from...
Hi,we have migrated from 2003 Domain Controller to 2008 R2 and transferred all the roles new 2008 R2 Domain Controller we also have exchange 2010 CAS1/HUB1 & CAS2/HUB2 and Mailbox 1 and Mailbox 2...
View ArticleMails with attachments not being delivered on one Mailbox-Server in DAG...
Hello everybody,we are running exchange 2013 with cu1 wit 2 CAS (ex01 and ex02) and two MBX-Servers (ex03 and ex04). We are already in a call there with Microsoft. Anyway i'd like to describe the...
View ArticleExchange Online Protection EOP - Defer / The last attempt to deliver the...
I got a lot of pending messages in my message trace, some with 1-2 Receive EVENTs but nothing further. Some with 1 Receive EVENT and then 1 DEFER EVENT with the DETAIL of "The last attempt to deliver...
View ArticleUnable to send via SMTP when mailbox is not on a client access server
I have an issue with sending mail via authenticated SMTP in a multi-server environment. My environment is as follows:1x multi role server (hostname EX1)2x mailbox server (hostnames MB1 and MB2)All are...
View Article2013 CAS in proxy mode; does it ignore the 2010 CAS Certificates
I'm starting my migration from 2010 to 2013. The one caveat to my plan is that my 2010 CAS Array Certificate expires in September (used for OWA and ActiveSync). I thought I read somewhere that the 2013...
View ArticleExchange 2010 Routing
Problem routing mail;I have an internal user with a secure email account. This account routes externally to a smart host via a separate send connector. The problem I'm seeing is if the user sends...
View ArticleEmail approval process to external users
Hi everyone,I'm getting a requirements from the customer that they 'd like to have email approval process when using MS Exchange 2013. It means all emails from internal users to external users (outside...
View Articletroubleshooting receive-connector
Hello I have set a receive connector to allow smtp connection from hosts/printer/devices in my lan and our ERP connected through VPN.I have received complain by colleagues that SOMETIMES the messages...
View ArticleTrouble sending to google apps hosted domains
We recently migrated to a new AD domain with a new Exchange 2013 box. Prior to that we were on Exchange 2007 in a different domain. We use postini for our spam/virus filtering. Since we've moved to...
View ArticleExchange 2010 Queue Management
Hieverybody, I have the next scenary: 1 Server of Exchange 2010 CAS\HUB1 DAG conformed by 2 Mailbox Server 2010 I need to know if my Exchange 2010 can be manage mail queues.Based in the mail size is...
View ArticleRecieve Connectors Exchange Server 2013 CU5
Hello,I am running Exchange Server 2013 CU5, and the receive connector keeps timing out. The problem only exists after the server has been running for somewhere between 2 to 3 hours. After reboot all...
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