Last Error: Message deferred by categorizer agent.
Good day.I have Exchange 2016 CU8 installed. Two nodes setup with DAG. It works fine until I tried to enable the Malware Agent. Once it is enabled and Exchange transport service is restarted, all...
View ArticleUnable to receive emails from office 365 using TLS 1.2
I have Exchange Server 2013 with CU 21 and added TLS 1.2 registries on my Exchange Servers. Recently ran Exchange HCW, I am unable to receive mails from office 365 mailboxes using TLS 1.2. I have third...
View ArticleDistribution group not receiving emails
I've set up a distribution group to send email to all our staff. But when someone tries to send an email to it, nothing comes through. I have to use OWA to go into their account and forward it before...
View ArticleExchange Server error: Client host rejected: cannot find your reverse...
Hello folks,We moved our datacenter over the weekend and our public IPs. We have a destination NAT rule that translates our assigned public IP for mail to (for example) 96.68.102.139 to our internal...
View ArticleNDR - When External Recipients sends mails to a DG.
Hi,We have some DGs which only allows to send mails "Only Senders inside my organization". But when external recipients sends mails to this group, they don't receive a NDR. We need to get a NDR when...
View ArticleTool to track
Hi,What are the free tools available in tracking an email.Scenarios:1- Exchange Server to Exchange Server(inside domain)(2 Mailbox severs(2013))2- Exchange Server to Office 365(Hybrid setup)- Not the...
View ArticleClik here to view.
What is the meaning of softfail and what issues it can cause and how to fix it?
What is the meaning of softfail in authentication-result for spf in an email header and what issues it can cause and how to fix it? Does it get fixed on sender's exchange side or recipient's exchange...
View Articleexchange server delay the message
hi all , we have three exchange server 2013 , now emails from outside are being delayed and some of email not being received . we have fortimail on the environment. from the fortimail view the emails...
View ArticleTransport rule to move emails to another mailbox when user mailbox is full on...
Hi Team, We are running exchange server 2013 and have more than 3000 users and the quota is limited to only 500 MB to 1GB each mailbox,sometimes some users mailbox gets full and the emails get bounced...
View ArticleEmails not going thru to rogers & shaw.....DNS Connector ( outgoing smtp ) issue
Hello Please help.....we have changed our external IP and now unable to email users. Emails not going thru and are stuck in Queue Thanks
View Articleemail gives differ connection
hi all ,we have exchange server 2013 and we have tow fortimail node , i have set them on the send connector to send , do i need to specify the fortimail on the receive connector as well to accept the...
View Articledsn=5.0.0, stat=Service unavailable
Hi expert，I setup to use external SMTP server (Exchange server) to send e-mail on my Linux server. However, it gave me an error message" dsn=5.0.0, stat=Service unavailableThe command line: Echo "Test...
View ArticleUnable to figure out why emails well under message/attachment limits are...
Hello,I'm at my wits end trying to figure out why my on-premise Exchange 2013 server is rejecting emails, claiming that they're too large. The rejection message was:[(MyIPAddress)] reply 552 5.3.4...
View ArticleMail Flow for terminated employees redirected to a public folder - cannot get...
Hello,I have a few employees who have been terminated. I have their mailboxes set with a mail flow rule to redirect to a public folder, so that we can see messages that were sent to the employees so...
View ArticleRemove Internal Exchange Server Names and IP Addresses from Message Headers...
Hi Team,We are running Exchange server 2013 without Edge server only CAS and Mailbox and third party email gateway.Whenever external senders send email to wrong recipient the NDR gives the full...
View ArticleNot all recipients in distribution group receiving email
Good day guys,How would i go about troubleshooting in my Exchange 2013 environment why not all recipients are getting the mails sent to distribution group. Checking the delivery reports showing...
View ArticleClik here to view.
How to create proper SPF record?
Hello folks,Could someone please take a look at our IPs, diagram below, and make a suggestion for a correct SPF record?SPF test tools report that no DNS record found for our domain for SPF.We have...
View ArticleSPF,DMARC,DKIM Implementation
Hello All,Need some help.We have an O365 Hybrid deployment with MX record pointed to EOP and centralised mail flow disabled. There are 2 Exchange 2013 Hybrid servers at on-premise with CAS+MBX roles...
View Articlemessages stuck in draft and 2 services are not starting
Hi allAfter a full VM restore job with "veeam" for exchange server 2013, messages stuck in draft and 2 services are not starting.The services are "mailbox Transport Submission" & "Mailbox...
View ArticleAutodiscover DNS records for multiple domain names
Hello,I have one multi tenant server. Right now it is configured with self-signed certificate. I would like to move to a normal certificate. There are 5 domain names.I read somewhere some time ago that...
View Article