error 452 4.3.1 no exchange mail being sent
All of my mail came to a halt in the middle of the night. I tried telnet the domain but I get the error 452 4.3.1 insufficient system resources. I have read that my queue volume needs to be under...
View ArticleExchange 2010 Local Loop Detected
Hi,Have a problem with Exchange 2010 Local Loop detected...We have Exchange 2003 trying to migrate to Exchnage 2010.Have added send conenctor with exchange 2003 as smart host....mail goes through but...
View ArticleI have facing issue to send mail : SMTP server not sending out any emails
I'm attempting to send emails. Currently all emails are being sent to the badmail folder. The error in the logs is: Message delivery to the remote domain '' failed for the following reason: Unable to...
View ArticleExchange 2010 - Import external comapny user certificates to GAL
Dear all,Users from our company can exchange encrypted mails inside organization without the problems cause all certificates are in GAL. When they want to sent a mail to some from outside company...
View ArticleNumber of Users that have sent encrypted messages
Hello, I have been asked to find the number of users in our Exchange 2010 SP3 environment that have sent at least one encrypted e-mail. So far I haven't even been able to figure out a way to tell if a...
View ArticleIMAP Issue
I have 3 Exchange 2013 CU10 CAS servers load balanced by an F5. Recently I have had reports of IMAP clients not able to retrieve email. I have discovered 2 of the 3 CAS servers are not taking IMAP...
View ArticleAntivirus on Windows Server 2003
Hi,Does anyone have any ideaas where I can get a decent free antivirus program (preferably with realtime protection), compatible with Server 2003, standard (32bit) edition? Or.. if push come to shove,...
View ArticleMSExchange Transport Event ID: 12014 Pls help me to understand and fix this..
Hello Everyone!!!Good day!!Pls. help me sorting this problem because I have no background regarding MS Exchange. I will copy paste the error here and I hope someone with a kind person help me..Thank...
View ArticleMail submission failed: Error message: The SMTP host was not specified
Our mail system seems to have become slower for a few days.Mail is being reported as not being delivered (recipients are not getting it), or getting it 10 to 50 minutes later.No changes have been made...
View ArticleExch2010 Receive Connector not working, Help Pls.
Hi All,I have a new install of Exchange 2010, not a migration.I have a cas/hubt server, mailbox server and edge serverI can send/receive internal emails. I can send emails externally. I cannot receive...
View ArticleMicrosoft 365 Office - Outlook
I have just upgraded to 365 Office and can no longer connect with my mail etc ... Using AT&T Yahoo and was able to connect using Outlook 2010, I do not know if I am using an Exchange Serve or POP?...
View Article421 4.4.2 Connection Dropped due to SocketError
We have one customer that cannot receive our emails and we continue to receive the above error. We have looked at everything we can possibly think of to correct this with no solution. I have read...
View ArticleExchange Certificates and Receive Connector FQDNs
We have an SBS server running Microsoft Exchange 2007 with all Exchange roles installed. We recently began receiving Event ID 12014 for one of the Receive Connectors: Microsoft Exchange could not find...
View Article451 4.4.0 Primary target IP address responded with: "421 4.2.1 Unable to...
Hello,I do have hub and transport server (running exch 2000) who forwards e-mails from SMTP server to 365 via smart hosts.All of my SMTP e-mails (Scanners etc) are suddenly stuck in the queueError is "...
View ArticleMigrate from Zimbra to MS Exchange 2013
I am currently running Zimbra e-mail and I want to stand up and test MS Exchange 2013. I want MS Exchange 2013 to run parallel to Zimbra during testing. So my question is, how to I share my e-mail...
View ArticleThe STARTTLS certificate will expire soon:
Hello everyone, My company has exchange 2007 on Windows SRV 2003. There is this MSExchange Transport event ID 21018 constantly shown recent days: "The STARTTLS certificate will expire soon:...
View ArticleOutlook cannot send e-mail. Error: 530 Authentication Required
Hello everyone, I'm new at this so I'm confused. E-mails are sitting in my out box but I'm not getting any error messages. When i trouble shoot e-mail settings, I get this error message: "Cannot send...
View Articleblocked using FBLW15
Good morning, we have a problem with sending emails from domain @macauditor.pl to domains which are hosted on Outlook.com or protected by Microsoft Forefront. Problem occurred after we changed IP...
View ArticleExchange Server Routing Group not transmitting emails
I have 2 exchange servers. One is 2003 the other 2010. Up untill friday everything was working fine for over a month. I rebooted the exchange 2003 server and ever since it hasn't been able to...
View ArticleNew-MailboxSearch not recognized
tried to execute new-mailboxsearch via Admin account and account with permissions to ECP. Says that cmdlet is not recognized as a name of a cmdlet. I was running this on the exchange server. Any...
View Article