Error "550 5.1.1 ADR.RecipNotFound" for existing user
Hello!Our Exchange infrastructure description, briefly:1. Using Exchange 2013 CU72. 2 x MBX+CAS servers (EX1, EX2)3. 2 x Edge servers (mx1, mx2)4. DAG, 4 DBs5. Hybrid Configuration: 200 local users, 15...
View Articletxt record for exchange organization
Hi,I am searching on how to get information and how to correctly create txt record in the external DNS to prevent mail spoofing for my accepted domainscurrently I have one exchange organization and I...
View ArticleReverse DNS does not match SMTP Banner
I am having issues with some company's not being able to send emails to staff on our exchange server because it fails a Ehlo test. the users sending the email get the following...
View ArticleDisabling content filtering for some domains
Hello,I need disable the content filtering for some domains on Edge transport server 2013 For example I want to send encrypted zip files to contoso.com except any other domains. are there any options...
View Articleport 25 refusing connections
HiWe just set up a new server 2012 standard r2 with exchange 2013, all brand new install and we can telnet to port 25 internally, but not externally. We have connected the server to 2 different...
View ArticleRBL not blocking all the emails that is on the blacklist
Hello everyone, I have zen.spamhaus.org setup on the edge server and it seems to be blocking a lot of spams. However, some emails is still passing through the blaklist even though on the...
View ArticleExchange 2010 with ip block list providers using custom error message and...
When ip block list providers are configured the standard error message for rejected messages in the Agentlog log field 'SmtpResponse' contains '550 5.7.1' at the beginning of the message.When ip block...
View ArticleInternal Relay Mail being Received Twice
We are using our Exchange 2013 SMTP receive connector to relay mail from our fax server to internal users. Several times a day, our users will receive duplicate or triplicate emails from this service....
View ArticleOWA Blocked Files - Exchange 2013
HiWe are using exchange 2013 with owa access. File types with the extension .snp are blocked.However the .snp file is allowed when the file is sent from gmail to an owa user.and...The .snp file is...
View ArticleRelaying an internal PHP application by Exchange 2013
Hello, dear Fellows,We use an Exchange2013serverto relaytwoweb applicationsvia a Front-End Transport Receive Connector, properly configured.All messages sent by the ASP Web Application, are receivedby...
View ArticleHow to put Blue Ribbon indicator (trusted sender) on internal email
Is it possible to put the blue ribbon icon on internally email?
View ArticleCant send Externally
My OS is Server 2012 I have setup and config Exchange Server 2013, problem is I cant send externally. I try to send to my self with admin email address it works fine but when trying to send to my gmail...
View ArticlePipeline Tracing Enabled, Original.EML / Routing.EML / SMTP.EML not show some...
Hi All,I had enabled Pipeline Tracing on both my Mailbox 2013 (DAG).Noticed some times the message log in the pipeline trace folder doesn't show all 3 EML files in it.Under what circumstance...
View ArticleRedirect Rule - Delivery has failed to these recipients or groups
First of all my apology if this is wrong Forum. Please guide me to correct forum.Scenario is that we need to send emails to AD Group using C# code or script. First we tried C# code and it don't work,...
View ArticleWe have blocked IP, can´t send email to hotmail ...
Our IP is blocked by Microsoft system. Failier message; 550 SC-001 (SNT004-MC2F11) Unfortunately, messages from 162............ weren't sent.! We need be unblock because we are not spamer!Sincerely,Niik.F
View ArticleMessage in submission queue after hard server reboot
Guys,The server is unresponsive. It was rebooted with message in submission queue.What will happen to message after reboot? Does it gone or it was delivered?Thanks!BR,Roldan
View ArticleExchange Email Notification
Hello Team ,Is it possible to create Exchange 2010 email notification/alert to the admin if a user starts sending unusually high amount of emails externally.Thank you
View ArticleLoop in the received mails
Hello,When I received a message from the external, I have a "loop" in my mail flow. I have not a problem with the receiving but it is strange.My headers are the follow :Received: from...
View ArticleNo Internet Mail Group Exchange 2013
Hello, I'm trying to restrict a group of users outside mail access and only allow internal mail communication within our organization. In the management console for Exchange 2007 and 2010 it was...
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Add Digital Signature to outgoing messages for all exchange users
Is it possible to add digital signature to outgoing messages for all exchange users? Currently we have add digital signature individually using Outlook.
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