451 4.4.0 SMTPSEND.suspicious.RemoteServerError
Not sure if this is the correct forum, but our customer is using EOP and we are getting this error when we try to send emails from EOP into the new Exchange 2013 environment. It works when sending to...
View ArticleMessage bouncing back.
Hey, everybody:I'm concerned that the message header that ForeFront is adding is causing e-mails to be bounced by several of our customers. It's bouncing 554 Not authorized. We actually rerouted the...
View ArticleWhat is the port used between smtp server and MX server?
Hi,What is the port used to connect from smtp server to MX server of recipient server?I think it's port 25 but this what I'm confused.Send email using smtp server to recipient: worksTelnet on port 25...
View ArticleA few domains are blocking our O365 e-mails. Here's the transcript
A problem occurred while delivering this message to this email address. Try sending this message again. If the problem continues, please contact your helpdesk.Requested gave this error: Delivery not...
View ArticleSMTP test to Exchange 2013 failing
I have an Exchange 2013 server set up for testing which I am trying to have the internal servers relay off of to EarthLink (My ISP).The Receive Connector is set up as a FrontEnd Transport, Anonymous...
View ArticleExchange 2010 Anti-Spam Protection
Hello All,what are the top 3 exchange 2010 anti spam and filtering protection companies other than exchange online protection from Microsoft. coz i really dont like the idea that all emails has to go...
View ArticleLocal domain redirection trough a smarthost
Hi,I'm currently in a migration and I would setup my Old (Mdaemon server) in coexistence with my new exchange 2013 server.My mdaemon send email that have been migrated (Unknown Mail) to the...
View ArticleExchange 2013 -OutLook any where Configuration
Hi,We have Exchange Server 2013 CU5 environment, TWO mail box servers and Two Client access servers . While configuring OutLook any where with server name and Mailbox name it does not work , error...
View ArticleUnable to Send Any Email
Exchange 2013 SP1 no DAG. In the middle of a migration and when we cutover to the new exchange server, we can not send any internet email to anyone. Internal works fine. We can receive email on the new...
View ArticleDifference between send and receive connector
Hi Exchange Server Expert,I have been informed by my boss to enable the send/receive email of our sharepoint server via our exchange server. What in my mind will be send and receive connector. As I...
View ArticleExchange 2007 -> 2013 switch mailflow
Hello,Currently we are in a coexistence scenario. We have installed:EXchange 2007 => 2 CAS/HUB servers, 2 MBX servers and 1 EDGE serverExchange 2013 => 2 MBX servers, 2 CAS servers (load balanced...
View ArticleInbound mail timeout
HiI please need some advise...I have a hosted Exchange 2010 installation with quite a few tenants.Here in South Africa there is a company that sends payslips through an accounting suite, and there are...
View ArticleExchange 2013 - Fresh installation--Why all of this spam all of a sudden?
We are coming from an Exchange 2003 with SBS2003 environment so have no experience with versions other than that prior to using Exchange 2013. We have a new Exchange 2013 installation using the same...
View ArticleSupport for TLS 1.2 over Exchange 2013 on Server 2012?
Greetings,We're trying to roll out TLS 1.2 in our test environment and can't seem to get Exchange to work with the protocol.We've been using this method to enable TLS 1.2 (and disable the other...
View ArticleBlocking HTTP access
We have an Exchange 2013 environment and I'm trying to ensure that all users connecting to OWA are forced to use HTTPS. I have configured the URL redirect and modified the "Require SSL" option on the...
View Articleemail route via new exchange 2013 server
HI guys, We have 2 Exchange 2013 Servers. CAS and Mailbox. We have enabled the "Proxy Through Client Access Server" on Send connector. we have installed new Exchange 2013 Multi-Role server in the same...
View ArticleCan't get outbound or inbound e-mail to work
My concern is 2013 not 2010. I have installed Exchange Server 2013 with no problems. I can serve e-mail to my internal organization, no problems.However, the lab now wants to be able to send e-mail to...
View ArticleWhat happens to messages after its gone from the queue?
Hi all,just wondering if anyone knows what happens after a Message leaves Message Queue?Our scenario is this:Hybrid configuration With Exchange online and Exchange 2013 server.All MX records Points to...
View ArticleAny details on sending TLS Encrypted emails to an external recipient?
Hello,A client would like us to send TLS encrypted emails to them. We have an exchange 2013 server that has been in operation about 1 year. I admit I know nothing about what is involved with TLS.Do...
View Article