Exchange 2013 CAS receive connector gives "451 4.7.0 Temporary server error....
Hi,We have an very strange issue with Exchange 2013 (CU8, issue was the same with CU7) and receive connector on CAS. We have 1 CAS server,1 Edge and 2 Mailbox servers. This started to happen when 2010...
View ArticleSending mails to a restricted DL from a Public Folder
Hi gents,We're currently working with an Exch 2010 instance and got a request for which we can't find a solution.We've a DL which is senders restricted to avoid the overflow of mails due to the amount...
View ArticleIn exchange 2013 sp1 SUBMITFAIL event id is happening
Hi ,In exchange 2013 sp1 SUBMITFAIL event id is happening for some messages .But at the second time that the same message is delivered perfectly to the end users.My question is simple ,is this an bug...
View ArticleExchange 2013 SP1 Edge Transport Connection Filtering
I have implemented an Edge Transport Server; but I think there is a lot of setup guidance missing from documentation.From what I can tell, many of the Anti-SPAM agents use RBL's to contribute to their...
View ArticleCan't send external e-mails when one of Exchange servers is disabled
Hello all,I have Edge transport server 2013Also there are 3 Exchange servers installedEx01(Exchange 2010)Ex02(Exchange 2013)Ex03(Exchange 2013)In the near future I will migrate all Databases from...
View ArticleBackpressure activated after Exchange CU5 install-version buckets
Having many of these below:Event ID 16028 A forced configuration update for Microsoft.Transport.TransportServerConfiguration has successfully completed.Followed by this every few hours.Event ID 15004...
View ArticleDelivery Report - Pending (Internal)
We're having an issue where users that are members of various distribution groups are not reliably receiving messages. We have a newsletter that is sent out weekly by one user. They use 4 internal...
View ArticlePrevent Own Domain Spoofed Spam
Hi guys!We got Exchange 2013 in the Internet facing ADsite.If an externat user use telnet to port 25, we need to prevent that a mail from our own domain can be accepted.In Exchange 2010, we prevent...
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Exchange Server 2013 and ms-Exch-SMTP-Accept-Authoritative-Domain-Sender
Hello, Team!I think I’ve found a serious issue in last CU releases. This is the case:1 Multirole server Exchange 2013 SP1 (and older) , one creceive connector from internet to this server, no edge,...
View ArticleDistribution Group memeber-> Don't send back to sender.
Hi all, As of my organization requirement, for the internal message flow, I have created a distribution group. This distribution group will send message to it's member for alert. But when ever the...
View ArticleAddress rewriting doesn't work in outbound message
Hi , i have a problem with address rewrite on exchange 2013 sp1.We set a new address rewrite on edge machines with this parameter :New-AddressRewriteEntry -Name "rewrite all" -InternalAddress...
View ArticleExchange Server 2013 CU7 email spoofing
Dear All,I am working with Exchange 2013 with CU7, seem Exchange 2013 doesn't have ms-Exch-SMTP-Accept-Authoritative-Domain-Sender featureSo we can't preventing spoofing my company’s email...
View ArticleAddress Rewriting not working on outbound mail
Hello, I have setup an Edge Transport server between Office 365/EOP and our internal mail servers (Non-Exchange). For this, I have setup two receive connectors and two send connectors on the Edge...
View ArticleAD account cannot send as valid email account
I'm having trouble sending email (via powershell for now) using an AD account which has been granted Send As permissions to a valid email account.When I attempt to send I get "the SMTP server requires...
View ArticleRBL not blocking all the emails that is on the blacklist
Hello everyone, I have zen.spamhaus.org setup on the edge server and it seems to be blocking a lot of spams. However, some emails is still passing through the blaklist even though on the...
View ArticleRemote Server returned '554 5.4.6 Hop count exceeded - possible mail loop'
Can any please help with the following.We use mailmarshall (installed on the same server as exchange 2013). in the send connector, if i enable smarthost, then i cannot send email external. the above...
View ArticleExchange Transport Content Filering False Positive
Hi everybodyThe following mail considered as spam (flase positive) by Exchange Edge server 2013 and moved to spam quarantine folder. While analyzing the header I didn't see any thing wrong with the...
View ArticleExclude SPF Pass From content filtering
Hi , Friends I would like to exclude any email with Sender Policy Framework (SPF) record passed from content filtering. Any email with SPF record "Received-SPF: Pass" should be excluded. Please help...
View ArticleEvent 36875: remote server requested SSL - which remote server?
Exchange 2013, CU5.Hi,I have frequent logs showing 36875, reporting "The remote server has requested SSL client authentication, but no suitable client certificate could be found. An anonymous...
View ArticleInternal email marked as Junk - Exchange 2013
Hello,As per the title, I have an issue whereby internal email from a reporting server is being classed as Junk in Outlook 2010 and 2013 for all recipients. -The Junk-email filtering level for all...
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