Receive connector permission groups: what is "partners"?
Every Exchange receive connector has several predefined permission groups such as "Exchange servers", "Exchange users", "Anonymous users" and so on. I can't find a definition for the "Partners"...
View ArticleExchange 2003 - Not receiving external email to alternative authoritative domain
I have an Exchange 2003 organization authoritative for domain1.com (Main domain) domain2.com and domain3.com.- Domain1.com and Domain2.com can receive emails ok from external senders.- Domain3.com...
View Articlewinmail.dat Attachments are received whether TNEF is disabled or not
Hi,we've got some issues when sending emails to some linux recipients, that attachments or s/mime signed emails are converted to the dreaded winmail.dat attachements. On Exchange 2010 i've just...
View ArticleDelivery has failed to these recipients or groups- 550 5.7.1 message refused-...
Hello all....Having an issue getting messages out within our organization when targeting ALL mail recipients from the global address book- about 1100 or so. I've already adjusted the sending...
View ArticleExchange 2013 Relay issue (SMTP Authenticated)
Hi,I installed Exch 2013 and is working great - both incoming mail and outgoing mail work fine in OWA and outlook.Problem we are having is SMTP authenticated relay. We install application on all client...
View ArticleMail flow records
okay so I've been working with Exchange Online for some time now, but I'm trying to figure some things out about working with just stand-alone Exchange 2013...no hybrid, no integration with Office...
View ArticleHilo Browser Buiding: _Error MSB6006: "cmd.exe" exited with code -1073741511.
I am using: Microsoft Visual Studio Ultimate 2013 Version 12.0.21005.1 REL Microsoft .NET Framework Version 4.5.50938I try to build Hilo Browser as described in Chapter 1: Introducing Hilo but I...
View ArticleBlock incoming calendar / meeting requests to a specific mailbox / user using...
I have a weird request I have never thought I would get. I have a VIP user that wants to receive no calendar invites / meeting invites from:- anyone outside of our organization (ie: from the internet)-...
View ArticleCan i enforce TLS on select addresses (internally)
Is it possible to selectively enable TLS for individual email addresses on an internal network/domain.Meaning that i would like all emails that John Smith sends to internal recipients to be encrypted,...
View ArticleMessages sent from Outlook, not in transport logs
We had an interesting problem with our Exchange environment that has left a mystery behind.A couple days ago, we had a catastrophic failure that took both of our mailbox and transport servers offline...
View ArticleIn Exchange Online, how do I make an Auto Reply to all messages sent to...
My case is that I have a shared mailbox with the address support@mycompany.com where I want to reply on all incoming mails that their mail was received.
View ArticleExchange 2013 SMTP Mail Flow from external domains
I have query related to mail flow for incoming mails from external domains from Internet facing site. There are two sites - Site A & Site B. Both have Exchange 2013 CAS servers in NLB and Exchange...
View ArticleExchange 2010 not sending mails externally with SP/Nintex Workflow
Hi,I'm using Nintex for workflows with SP 2010. Nintex is configured to send mails using exchange. I created a receive connector on exchange 2010 to receive mails from server hosting nintex, however...
View ArticleExchange 2010.SP3: Spam in Outbound Mail Queue (mail.que) - How can this be...
I have been suffering from SPAM being generated from a series of sources (this looks internally generated):Identity: XXXX-Exchange\7\10 Subject: Undeliverable: Daily Health News Internet Message ID:...
View ArticleWhats the Difference between DLP and IRM?
Hey guys, can someone explain to me what's the difference between DLP and IRM in Exchange 2013, I have to protect some messages sent from my managers so that unauthorized users can't read the messages...
View ArticleRemote Server returned '550 5.6.0 CAT.InvalidContent.Exception:...
Hello,Please help. I have Exchange 2013 CU3 with multi-role of the CAS/MBX on Windows 2012 R2 servers. From one specific addresses from the internet, Exchange rejects the message, and to the sender...
View ArticleExchange 2013 - Some messages net being delivered with shared SMTP Address Space
HiI am having a problem with some internal messages intermittently not being delivered. When I go to the Exchange ECP -->Mail Flow -->Delivery Reports I can see the following error with the...
View ArticleDigital signature problems with Outlook
Hi all,For security reasons we want to add digital signature to all outgoing emails of the organization. I have problems with digital signed emails sent to external clients that not support the...
View Article[exchange 2013] Problem with multipart/mixed message
Hi, After a brand new installation of Exchange 2013 I have problem with multipart/mixed messages:some emails that was correctly handled by the old 2007 Exchange are now "broken" and it seems to be a...
View ArticleExchange 2013 resubmit mails
HI all,Experiencing issue With Exchange 2013 environment ( 2 servers With cas and mailbox role With DAG)where some of Our emails are beeing resubmitted.So far cant see any pattern on why or where it...
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