DMARC and DKIM
Hello,I have a requirement to setup DKIM for one of our vendor. They use some tool to send emails from their environment and use our email address. The issue is not caused when emails are sent to us,...
View Article400 4.4.7 Message delayed and 441 4.4.1 Error encountered while communicating...
Hi,After shutting down the old Exchange server 2010 (Internal IP 115.135.55.10) in my data center, now I cannot send email to one of the important recipients in my group of companies: Generating...
View ArticleDelay on receiving emails
Exchange 2013 running on server 2008 r2 enterprise. Coexistence environment with exchange 2007 environment but the mailboxes in question are on 2013.Clients are getting delays on emails by hours. No...
View ArticleJournaling not working on all emails sent/received
I am in the process of completing a migration from Ex2007 to Ex2013. I have created a journaling recipient on a single database (db4). I then setup the standard journal recipient on each of the...
View ArticleForwarding Address In Headers
Our company sold a division of the company. Along with that sell 100 users are going. I have to forward all emails for all 100 users to the new companies email address.I started out with a forward on...
View ArticleEdge Transport Server & Existing Spam Appliance.
I'm implementing an Edge Transport Server between MBX and Symantec Messaging Gateway. It's going to be the middle man to re-write headers. My mind is having a seizure on how to understand the setup....
View ArticleServer level forwarding
I am having a problem with a specific outside contact in a group we have created, the email is being rejected.The mail flow is like this;Bob sends to group1 We get the email and process it,...
View ArticleRedirect email forwarding for external senders
Hello,I have recently enabled auto forwarding for many of our users to an external domain. Now the requirement has come to enable auto forwarding only if it is sent from internal users and the external...
View ArticleMail Forwarding Issue
Hello,I have enabled SMTP forwarding using PowerShell for most of our users. When I performed a message trace I can see in the Message EventDeliver as The message was successfully delivered to the...
View ArticleRedirect Messages from one Hub Server to another Hub Server (Exchange 2007)
Hi,I need a small help!!I wanted to know how to Redirect Messages from one Hub Server to another Hub Server (Exchange 2007). If one server Hub Server got failed due some issue then how do we redirect...
View Articleora 29278 smtp transient 451 4.7.0 temporary server error please try again...
Hello Dears,I have this error message when trying to send email from oracle linux :ora 29278 smtp transient 451 4.7 0 temporary server error please try again laterand the DNS okso what is the problem ?
View ArticleTwo Exchange servers with the same e-mail domain in two different AD's
Greetings,We have a Exchange 2007 server that we're migration from, and anExchange 2013 server that we're going to.Both are in separate AD domains.So, if you sent an e-mail to someone in company.com it...
View ArticleStrange error...
Hi! I've just run into an error that really confuses me. Hopefully someone here has an idea what the source of the problem might be.I created a new distribution group named QA-Mobile. When I try to...
View ArticleRestrict message recipient to/cc/bcc till 20 only if mail is send from...
Can we put restrictions on incoming mail from outside where more than 20 recipients are there in To or CC, just quarantineArif
View ArticleTurn off / Disable Default Internal Relay
I am going crazy over this, I have dozens on instances of Exchange running, one of the clients complained that he was doing tests and can send email using an SMTP tool without even being on the IP list...
View ArticleExchange Server 2013 - Messaging.old creation
Hey All,Firstly thank you in advance for any input that I get on this one. Always appreciate others taking the time out to help their fellow techies.We have an Exchange 2013 Server that is creating...
View ArticleMessage undeliverable - user(s) account is disabled
Our office recently terminated an employeeI removed her from the email in Outlook 2010When someone outside our company sends us an email they are getting an error saying message undeliverable due to...
View ArticleProxy layer started discarding data. Acking message as failed.
Hello We have the same error in our environment (Exchange 2013 OnPrem). In logs path: C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\Logs\FrontEnd\ProtocolLog\SmtpSend are we can find...
View ArticleExchange issue with one external domain
I have a strange issue with our 2013 Exchange. All internal users are getting these return errors if they send to one ( and only one) external domain. These emails work from personal email ( yahoo,...
View ArticleExchange-update problem
Hello, Exchange 2010 SP3(single server) Couple days ago Exchange stoped sending mails. If I restart server everything is fine. Troubleshooting the issue I found that my colleague updated server and...
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