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451 4.4.0 DNS query failed. The error was: DNS query failed with error...
Hi,I have exchange 2013. The issue is whenever a user try to send an email to us.ibm.com we got the following error.451 4.4.0 DNS query failed. The error was: DNS query failed with error ErrorRetryour...
View ArticleDelivery Error
Hi!Our senders are sometimes receiving the below error message while sending emails to our Exchange 2010:Delivery Failure Report Your message: Re: Mail error was not delivered to: our receiver email...
View ArticleHelp! "4.7.0 Temporary server error. Please try again later. PRX4"
I am in the process of migrating a single Exchange 2013 install (CAS+MBX co-located) to two separate installs, a CAS and MBX server. Mail has been flowing in via my new CAS for around a week now, I had...
View ArticleHow to force all internal mail to local transport service?
We have written a routing agent for our transport service which modifies email attachments destined for external recipients. Our problem is that sometimes internal recipients who are copied on these...
View ArticleMail Stuck in Queue, Event ID 1018. But the referenced Receive Connector does...
I'm receiving the current Event ID's 1018 on an Exchange Server 2013 CAS/Mailbox server causing all received/incoming mail, for all users to be stuck in the mail queue:Log Name: Application Source:...
View ArticleCant Send out
Hi All,I hasve a new install of Exchange 2013 in the test stages at the moment.I have a domain which is not in use at present on exchange until we go live of abc.com, this is currenty used on web based...
View ArticleExchange 2013 mailflow issues & transport latency
Hi,we have more then 50 Exchange Server 2013 deployed and every single Exchange has transport issues.-the transport Service do not respond for 30 min or more.-RAM consumption -the e-mail are stock in...
View ArticleExternal companies with Barracuda firewalls not able to deliver mail to our...
We upgraded to Exchange 2013 about a year ago. Since that time we've been having issues with certain companies having their mail delayed or rejected when sending to us. No problems us sending to them...
View ArticleShare Email in exchange 2013
Dear All,i need your idea about how to implement a email share between 3 usersi have a email info@domain.com, i have 3 users A, B , Ci want the email info@doamin.com to be used throught the 3 users.the...
View ArticleMultiple Authoritative domains, trying to get a mail flow rule to trigger...
We used recently added an authoritative domain to our exchange 2013 server. After about a month we made the changeover in our default mail policy to make newdomain.com the default reply to. Mail flow...
View ArticleSenderID SPF Include keyword bad evaluation
Hello there in Exchange forums.I have Exchange 2010 server with all current patches and SenderID action set to reject if SPF fails. If the domain is using keyword include in their SPF TXT record (such...
View ArticleMany delayed messages since switching to Exchange 2013
We have been experiencing a lot of delays when switching to Exchange 2013. We currently use SpamHero as our spam filter. The flow is like this:Messages sent to Spam HeroSpam Hero sends to us which goes...
View ArticleRamifications of assigning a wildcard certificate to the SMTP service (needed...
Hello All:My question is "what are the ramifications of assigning a wildcard certificate to the SMTP service on a customer's Exchange 2010 CAS"? I would like to know of the impact that existing OWA,...
View ArticleWhy is this particular 2013 DAG member showing up in message tracking
I have a 4 member 2013 DAG with 2 of those members holding only offline DB copies. One of those 2 "backup" DAGs is continually referenced in delivery reports for messages. If that server is not...
View Articlesearching not working on phones... sorta
On phones connected to an exchange 2013 account they sync 7 days. but when I search everything on the server it shows results from 5/30 back. Nothing newer.
View ArticleMessage tracking
I have had several instances since I installed exchange 2013 about messages not being received. In 2007 they had the message tracking GUI that I could follow a message flow from my Barracuda to the...
View ArticleExchange 2013 issues - (new send email Stuck in Drafts not send)
Exchange 2013 issues - (new send email Stuck in Drafts folder not send)
View ArticleMail.protection.outlook.com #550 5.7.1 Service unavailable; Client host...
When user in our domain send mails to domains on O365, they get a DSN.BY2FFO11FD035.mail.protection.outlook.com rejected your message to the following e-mail...
View ArticleExchange 2013 - Import-TransportRuleCollection from Exchange 2007 failing
I am in the middle of a Exchange 2007 SP3 to Exchange 2013 Sp1/CU4 migration and am importing transport rules and it's failing.[PS] C:\Windows\system32>Import-TransportRuleCollection -FileData...
View ArticleExchange 2013 DLP Testing - Allowing Social Security numbers
I've created a DLP policy to block SSN's. The problem is it only looks for the word "SSN". The rule in the DLP is looking for SSN's. It blocks the email if I have the letters "SSN" in it with a fake...
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