SMTP 250 2.6.0 long delay and 451 4.7.0 timeout waiting for client input
We have been having issues with our spam filtering taking a long time sending to our Exchange 2013 environment. We get notifications that they are having problems sending to the server with a message...
View ArticleWe are being targeted by Microsoft...
As a valid user of several Microsoft services, such as Azure, MSDN, Volume Licensing, etc. I expect to have some degree of clout with MS. However this is not the case.Today we were blacklisted by...
View ArticleAdding an Authorative Domain and Creating an Address Policy
We've been tasked with receiving email for another domain in our Exchange 2013 server. We need to be able to receive mail and then forward it to an external contact, one we've created in our AD. We...
View ArticleCertificate issue
Hi, I got the new SSL certificate from SSL providers and added the SSL certificate to my exchange server. I mapped my domain with godaddy. It is working fine in internal network. But its not...
View ArticleBlocked using Blocklist 1
Dear support,One of our domain accounts was hacked and used to send out spam.This issue has been resolved days ago.We still get the following message when we try to send mail:You do not have permission...
View Articleblocked senders not working
This is on Exchange 2007 can't find the forum.Today i received that someone outside of the domain was trying to email in and that the server is responding with an error Reason: Remote host said: 554...
View ArticleExchange 2013 SP1 on Transport Service on Combined Role stops
We have Windows Server 2012 and Exchange 2013 SP1, the Roles are CAS and Mailbox in one box. My problem is when I create a custom Receive connector or edit a custom Send connector, the Transport...
View Articleunable to receive password protected zip attachment
Hi,one of our client using Exchange Server 2013 CU2.we are having multiple sites world wide. on of our user from japan sending password protected *.zip file to Indian user.but the recipient not able...
View Articlemail flow
i am doing transition from Exchange 2007 to Exchange 2013. All my roles reside in one server. i am configuring send and receive connectors please guide me. on my exchange server 2013 Under the mail...
View ArticleExchange 2013 distribution list delivery receipt
In Exchange 2007, when my cutomer sent an email to an outlook distribution list (i.e 20 people) with a delivery receipt requested, it would return a single email with all the group members.Now since...
View ArticleProblem Removing MailBox Role
Hi,I have two mailbox servers in exchange 2013 and I am maintaining DAG on both servers. I recently added a new mailbox server in my environment. Now I have 3 mailbox servers. But the third mailbox...
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Replacing Certificates
We are currently using a wildcard certificate: *.ourdomain.comWe are going to change from a wildcard and start using: mail.ourdomain.comI did the following:1. Added the intermediate certs on each CAS...
View ArticleSet up new Exchange 2013 environment, able to send mails internally but not...
Hello everyone,First off, I would like to state that I have around five years of Microsoft Server experience, but I have never set up an Exchange environment from scratch, and my knowledge in that area...
View Articleintermittent mail flow issue
Hi,I have an Exchange Server 2013 running on one Server. I have set up a receive connector for the internal Scanner (Scan to Email). this works most of the time - but occasionally fails with the...
View ArticleSpam to external enabled distribution groups
Good morningWe are having a problem in that we are receiving a lot of spam to externally available distribution groups (ones that accept email from the internet as well as from within my...
View ArticleExchange 2007 RU4 -DDL- Source: Agent EVENTID FAIL - need some help
I am having a new issue on my mailserver where most of my DDL's are not being delivered.I can review the properties of the DDLs and they show the necessary recipientes in the filter.When I send to...
View ArticleDisable SMTP sendng mail without Auth
I have a potential security issue where existing users (may not be himself) when they telnet to SMTP (user1@domain.com) can email to any users in the domain (*@domain.com) this can lead to someone...
View ArticleOWA Error-"The message cannot be sent"
Hello,I installed Microsoft Exchange 2010 on Windows Server 2008.The installation was successfully completed. The URL for the OWA is also working.But there is a problem in sending and receiving...
View ArticleUser receives meeting confirmation during Database Maintenance Window
Hello I am facing an unusual behaviour which drives me crazy.A user (it’s unfortunately an important one) receives every night at 02:07 meeting confirmations in his “deleted items” folder. During this...
View ArticleMails from Exchange 2013 to Exchange Online blocked using Blocklist 1
Hello,1 week ago I've implemented a new Exchange 2013 at a company which used SBS 2011 before.But now its impossible to send a mail to a recipient on Exchange Online.Everytime we get a NDR with the...
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