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550 Your IP address failed validation
Hi guys,Maybe anyone knows why I get this bounce back when I try to send e-mail to a client ? It's generating from one of e-mail linux servers, not even exchange. But my mailbox is created in exchange...
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Unusual Outlook issue - not conencting on VPN
We use a proxy for our mail at mail.ourcompany.com to connect to our exchange servers at outlook.034d.mgd.msft.netWe use HTTP to connect, connect using SSL only and NTLM authenticationIf I am...
View ArticleRemote Mail Users and Dynamic Distribution Groups in Hybrid
Hey All,So I'm having a problem that's been perplexing me for days.I have a dynamic DL (everyone DL) that is configured to filter both local mailboxes in my on-prem and remote mailboxes in 365. The...
View ArticleExchange 2013 Send/Receive Limits
Hi all,Back in April, we upgraded to Exchange 2013 and quickly found out that we cannot receive e-mails large than 10MB. I have looked in every place I can think of and have set all limits to either...
View ArticleReal Time Mailbox Monitoring?
Hi Guys,we have hardly 2000 mailboxes and we are using Exchange 2010, we are looking these all mailbox should be monitored by us. like people having others user full or send as maibox access they could...
View ArticleOutbound mail from Exchange 2010 not sending/sent straight to recipient's...
Hi guys, I'm hoping someone can help me pinpoint this ongoing problem we are having with our...
View ArticleReceive Connector RemoteIPrange upper limit Exchange2013
What is the maximum limit of number of IPs "RemoteIPrange" on receive connector in EXCH 2013. I found few blogs saying 1200 in Exch 2007, need to know for EXCH 2013.
View ArticleExchange 2013 to Exchange 2007 migration unable to send mail to Exchange 2007
I have a Windows Server 2012 Server with Exchange 2013 CU2, Revision 2.I can send mail from Exchange 2013 to users on Exchange 2013, I can send mail from Exchange 2013 to people on the Internet.I can...
View ArticleAuth Spam Attack
I can I figure out which account is being used to relay messages through our exchange server, no matter which log I enable the login ID used seem to be missing?
View ArticleExchange 2013 Error 400 4.4.7 Message Delayed Between My Server And Itself!
My users are getting Delivery Delayed messages. The received from and by servers are both my Exchange 2013 server "wiley". What is going on?Diagnostic information for administrators:Generating server:...
View Articleredirect incoming and outgoing mail
We can redirect incoming mail only but we need redirect incoming and outgoing mail. How can I do?Actually my company required that, store copy of all incoming & outgoing mail from our exchange 2010...
View ArticleExchange 2010 and Exchange 2013 co-existence
Good Day Guys,We are battling with an exchange 2013 installation, we have 1 x Exchange 2010 SP3 all roles installed - Physical1 x Exchange 2010 SP3 CAS roles only - Virtual1 x Exchange 2013 RU2 All...
View ArticleExchange 2010 (SP1) CAS & MB communication problem with different site
Hi team,We are facing problem while connecting Ex-2010 SP1 MB (Site-3) user's OWA using Ex-2010 SP1 CAS server (Site-1 & Site-2) and getting error "Outlook Web App isn't available. If the problem...
View ArticleExchange 2010 Content Filtering - can you force mail from authenticated users...
Hi,I am using the Exchange 2010 content filter agent, which is working fine on inbound messages. I need to do content filtering on all mail inbound and outbound. I have have set "InternalMailEnabled"...
View Article552 5.3.4 Message size exceeds fixed maximum message size - sending large...
i'm trying to troubleshoot an issue where my users send large files and i want to increase the file size possible to get to the exchange mailbox but i'm not having success. In a test internally from...
View ArticleInternal relay receive connectors on the same ip address
Hello,How is Exchange [2007sp3] matching the receive connectors to the coming clients? What if there are similar or same ones on the same ip address & port?At the moment Anonymous smtp relay is...
View ArticleExchange 2007/2013 Coexistence Internal Relay Mail Flow to the Internet
Hello allI have a 2007/2013 in coexistence:2 x '07 HTs 2 x '07 CAS 1 x '07 MB2 x '13 CAS 2 x '13 MBOn one of the '07 HTs, I've set up a receive connector for apps and printers to use for email...
View ArticleMigrated to Exchange 2013 - now unable to receive email messages from yahoo
I have recently migrated to Exchange 2013 CU2 from 2010, and ever since then we have been unable to receive any email messages from Yahoo. Whenever someone sends an email, they will receive a delivery...
View ArticleExchange Server Authentication vs FQDN
Hi, I have a single Exchange Server 2013 that is setup to receive emails from the internet and local. Im receiving error message that my certificate is not matching with my FQDN. When I try to change...
View ArticleCan't retrieve Free/Busy information
I'm trying to finish my setup of my exchange server and I having problems trying to get free/busy information of other users. this happens only when I'm trying a connection through Internet with...
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