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System can't send test-email over SMTP/TLS
Dear all exchange experts,Our QDAS system used to send email over 25 annoymous. Currently we have to disable annoymous authentication, instead we decide to send email over 587/TLS, so we create...
View ArticleTLS
Hello,When I run a test from MX Tool box against my mail server I get a message that TLS is not enabled. I have tried to follow the article...
View ArticleHuge problems with delivering e-mails to MS Mail-Protection (MX...
Hello there,We deliver hundreds of transactional b2b mails every day to multiple b2b recipients.The problem is that, for some reason, especially the businesses using the MS mail protection (MX server...
View ArticleSending emails from Exchange Server to Postfix Server 2013 in the same domain
I have an Exchange 2013 server with domain domena.pl. As an external server, I have a postfix from doemna domena.pl. The Postfix server receives the mail and forwards it to exchange. I have mail...
View ArticleMail From External Contacts to shared mail box, should not get a copy of emails
We have request from the Business TeamWe have DG for External ContactsA new shared mail box is created and any mail to the shared mailbox is been forwarded to the DG External ContactsMail From External...
View ArticleExternal Contact receiving an NDR
When an external contact sends a mail to shared mail box, sender receives the below NDRYour message couldn't be delivered because delivery to this group is restricted to authenticated senders. If the...
View ArticleExchange 2013 CAS server maintanance mode before the start the OS security...
Hi MVP,I have push the July'19 Month Microsoft OS patches using with SCCM 2012 on Exchange 2013 CAS server. Need to reboot the CAS Exchange 2013. Without users impact, i have to reboot the Exchange...
View ArticleExchange 2013 message suck in mailbox queue with ready status
I have only one Exchange 2013 SP1 server and one 2012 R2 Domain controller. The one Exchange server is a mailbox and database server. I have no edge transport server. We'll call my external domain...
View Article451 4.7.0 Temporary server error. Please try again later. PRX2
I'm getting the dreaded "451 4.7.0 Temporary server error. Please try again later. PRX2" error when receiving SMTP mail.does anyone know exactly what causes this error? there are many references to it...
View Articleتصليح ثلاجات هيتاشي 01225025360 _ 01014723434
( اسرع خدمة صيانة فى مصر )الوكيل المعتمد فى مصر لصيانة هيتاشي مستوى عالى من المهندسين والفنيين قطع غيار اصلية مركز صيانة هيتاشي يغطى مناطق ( القاهرة الكبرى...
View ArticleExchange 2013 Error 12023
Hello - I have an Exchange 2013 server that is kicking up Transport Delivery Errors. Seen below:Microsoft Exchange could not load the certificate with thumbprint of...
View ArticleHow this spoof worked?
We recently received an email into the CEO's inbox, supposedly from himself asking to release some emails after logging in. He didn't send these emails, and our SPF/DKIM records did not get checked as...
View ArticleRecieving lot of spam emails which are coming directly to our exchange...
Hi Team,In our On-Prem setup we were using cisco IronPort as our email gateway. Recently we purchased licenses for ATP and configured them as per the policy and using it as the spam filter. Now we are...
View ArticleThe result is an error in the test command of OAuth authentication for hybrid...
The result is an error in the test command of OAuth authentication for hybrid migration. Test-OAuthConnectivity-Service EWS-TargetUri https://outlook.office365.com/ews/exchange.asmx -Mailbox sample01...
View ArticleExchange Mail Flow - Routing
Hi,I'm in the process of migrating to a hybrid O365 solution but having some challenges with outbound mail from On-prem mailbox to mailboxes in Exchange online. What we're seeing is Exchange is trying...
View ArticleMessage Stuck in Submission Queue with Status Active
Hello,I'm facing a strange problem where messages remain in submission queues with status "Active" and do not get delivered to the mailboxes.Since the queue is a submission queue, everything points to...
View ArticleHow to send shadow redundancy mail from secondary server of exchange
we are seeing mail stuck in shadow redundancy in queue viewer please help me how to send mail of shadow redundancy .
View ArticleRelay does not work after server in other site owns databases
Hi All,We have a distant site and an exchange server in the site which is a part of our DAG. Cluster owner is the server in our site. we moved all the DBs there , there are some applications that rely...
View ArticleEmail disappears as soon as it hits the Inbox
Hi,I have a strange problem. I have one user out of 80 that is experiencing this issue. When he receives an email it goes to his Inbox (Outlook and OWA) and disappears in less than 5 seconds. I...
View ArticleExchange 2013
Hi,Our Microsoft Organisation id :4358894WE have exchange exchange Server 2013. Some reason its not sending and receiving any email . only internally email works.Please give me a call on +447949432338...
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