552 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 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...
View ArticleExchange 2013 Anti-Spam doesn't block most spam (even GTUBE test mail is passed)
Hello All,I have been installing and configuring Anti-Spam agents on my Exchange Servers. When testing with a GTUBE test mail, I see the mail is passed through and delivered to the end-user mailbox....
View ArticleEmail flow problem between two site
We've configure 2 different AD sites and both the site are configured with Ex2010 SP1 server with different MailboxDB. We are facing problem while trying to send/receive internal email between two...
View ArticleExchange 2013 Server email blocked by Bigfish.com
Hi, I'm hoping someone can help out as this issue is causing serious issues within my company. We upgraded from Exchange 2003 to 2013 recently and everything was fine for a start, but in the last week...
View ArticleSBS 2008 migration to Exchange 2013 issues
I am in the middle of a SBS 2008 to Exchange 2013 migration. I have not setup the legacy namespace yet. I have most of the mailboxes migrated to the 2013 server except the 4 largest. I exported the SSL...
View ArticleS/Mime compability when NOT using your own laptop
Hi I have a question about S/MIME when I´m not using my own laptop, should this work? For exampel if I use my PC at home I don´t have my corporate certificate and of course I can´t sign/encrypt my...
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 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 ArticleRestircing users to only be able to send to certain addresses via policy
I have a 1000 mailboxes for retail employees, I want to make it to where these mailboxes can only send to a small selections of SMTP addresses (i.e. they will be able to emailstoresupport@contoso.com,...
View ArticleMails being refused by Gmail due ti ipv6 in mailheader
Hi Gmail is rejecting mails because of ipv6 information in the mail header (exchange 2013). I have read some threads saying that I could do a reghack do disable ipv6. But I have also read that Exchange...
View ArticleCreating new receiveconnctor in Exchange 2013 for scan2email etc.
HiWhen creating a custom receive connector for scan2email etc on exchange 2013, other connectors stops working after a couple of hours? I reboot and all connectors work again for a couple of hours and...
View ArticleExchange 2013 Retention Policy differences between Std and Ent. User CALs
I have been reading about the differences between Standard and Enterprise User CALs for Exchange 2013 and I understand most of it. However, I am having a hard time understanding what I can and cannot...
View Articleout of office en mixed mode
Running exchange 2013 cu2 and exchange 2010 sp3 in mixed mode. external dns pointing to 2013 server, and OWA is redirecting to users still on exchange 2010. Woking fine. But if a 2010 mailbox want to...
View ArticleTLS Certificate
Hi,I am using 2 HUB/CAS transport servers with internal CA installed. I want to implement TLS certificate on Edge server for External emails.My question is I am buying TLS certificate from third...
View ArticleTrying to send email to send email from dmz to remote server
Here is the setup. I have a web server on a DMZ that I am trying to send email from an app. I have the IP of the DMZ server in a receive connector set up to allow anonymous users to connect. When I try...
View ArticleConnection Filtering agent doesn't work
I have installed the Connection Filtering agent:Install-TransportAgent -Name "Connection Filtering Agent" -TransportService FrontEnd...
View Articleexchange 2013 anti-spam sender ID filter not working
Hello All,Though I installed the anti-spam filters on the Exchange 2013 Mail servers, and made sure to aneble them, I see that most SPAM is just arriving at the users mailboxes. The logging of the spam...
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