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Delivery 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...

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Exchange 2010 to Exchange 2013 mail flow?

We are planning to migrate Exchange 2010 to Exchange 2013.I understand that we need to upgrade the CAS to 2013 for Internet Facing.What about mail flow. Currently, Internet mail flows to Exchange 2010...

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Mail Flow works on MS Exchange Server 2010 & 2013?

Hi Experts, Could you please explain how Mail Flow works on MS Exchange Server 2010 & 2013?  and also please share the document to understand completely.Thanks in advance..Regards,PaviThanks &...

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Exchange 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...

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Not able to send an outbound email

Hello everyone , My problem is that I'm unable to send external email like to gmail , hotmail , I followed this link to create a send connector but nothing seems work ,...

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winmail.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...

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Exchange 2013 CU2 - How to setup authenticated relay for external clients

Team,Trying to configure our new Exchange 2013 server to allow external clients (MFPs / Customer Printers) to use our internal mail server as an authenticated SMTP relay.We have a secured server, and...

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Exchange Server 2013, External emails are not coming through. I can send out.

Hello,I am creating Exchange 2013 Lab with 1 Domain Controller (2 NIC, 1 with dynamic IP, second with static IP address), Exchange Server 2013 (Also 2 NIC, 1 dynamic 1 static IP), and Windows 8 (2 NIC...

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Configure a Catch-All Mailbox in Exchange 2013

Is it possible to create a catch-all rule which delivers mail sent to a non- existing mail address inside the organization (*@contoso.com), to a specific mailbox?Exchange 2013 Standard

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Messages stuck in "Retry" in Submission Queue - Exchange 2013

Hello,We have 2013 Exchange consisting of 2 CASs and 2 MBX servers spanning two locations via VPN, 1 of each server in each location. We are hosting exchange for an outside domain, and have just...

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Not Receiving Email Replies

I have found that when I send out emails, any email replies are not received. New emails are received fine. Email replies from within our domain are fine. But all other email replies are not received....

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Issues Delivering mail from GMAIL

Hello everyone... we seem to all of a sudden be having issues with messages that have attachments of just about any kind from GMAIL being delivered to us. If there is no attachment, we have no problem...

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Is it possible to make foreign domain like "my organization" to use flag for...

Hello, we have a group like all@domain.net and in "delivery management" it was set to "Only senders inside my organization" to prevent spam and all unwanted messages from other companies.But now we...

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Can't receive mail from external domains (hotmail, gmail, etc)

Hi,I have a new problemI can't receive external email. The receive connector that i have is the following: Default Frontend NAME.NLTlS, Basic verification, Basic after TLS, Intergrated, Exchange...

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In 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.

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Exchange 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...

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Header From Address not Authorized

Hi I am using authsmtp as my outgoing smart host for my Exchange 2013, all works just great, however when a user-John Smith (john@xyz.com) try to reply to a "Read Receipt" from external source an error...

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Slow mail flow?

Hi all!I installed Exchange 2013 CU1 on Server 2012. I have 2 2012 one for AD and one for Exchange. This is small enviroment, EX2013 has 8GB of RAM and 10 users on it. We recive around 150 mails per...

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Messages 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...

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Retry and response 441 4.4.1 Error - Temporary server error. Please try again...

Hello all…We have a single exchange 2013 server here in our school district – migrated a couple months or so ago. What we are having an issue with now are in-house app servers and network scanners...

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