Remote Socket Error Exchange 2013 SMTP Receive LOG
I am getting remote socket error messages in Exchange SMTP Receive log. Can anyone guide me how to trace & resolve the issue.My Oracle DB logs also show 421 service not available error.Br,AA
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Issue in send & receive mail from exchange to gmail
I have install exchange server 2013 with CAS & MailBox , from where and how i enable to send & receive mail to and from contoso.my domain name is abc.com and all domain dns and exchange server...
View ArticleAfter creating a new default throttling policy, will it apply all previous...
I am using exchange 2010. Have planned to create a new throttling policy and make it default with customize setting.Will this be applied for only new users or old users also where already default...
View ArticleMail Showing has delivers but not received to user inbox
Hi,We have have issue with Mail delivery issue, user does not seem to have copy of mail in his inbox but exchange ecp delivery report is showing the mail has been successfully delivered to recipient...
View ArticleMalware Functionality in MS Exchange 2013
Hi ,We are running exchange 2013 CU10.There is default malware filter . If I send an EICAR file through text format(Directly copy and paste below in outlook ----Not in file EICAR.txt) will it get...
View ArticleRandom -,,Remote(SocketError) for App Relay
Hi team,On my exchange 2013 server there is a receive connector configured for app relay server (out of many). This is able to connect and send mails but however, out of no where, the app server is...
View ArticleDNS timeout
After running a hybrid deployment wizard between my exchange on-prem and Exchange online. I cannot reach the online protection Microsoft server and I found that I cannot resolve Microsoft server...
View ArticleFilter / Let attachments be approved if they don't have an extension
Hi,we have rules to filter specific extensions to be approved by admins, before they are delivered. That works as expected. But how do I filter files, that do not have any extensions (or deny them)....
View ArticleCould Exchange Server support the encryption strength (Cipher:...
Dear Support, Could you help to check if Exchange servers (e.g. Exchange 2013 and Exchange 2010) can support the encryption strength (Cipher: DHE-RSA-AES256-SHA)?Thanks!Best Regards, Daniel
View ArticleIs it possible to change an alias into a public folder?
I have an alias email address that is set up to include several people for work but only 2 people have been given access to check the inbox for that alias. I'm looking to change the alias into a public...
View ArticleDNS timeout
After running a hybrid deployment wizard between my exchange on-prem and Exchange online. I cannot reach the online protection Microsoft server and I found that I cannot resolve Microsoft server...
View ArticleSMTP Error 421 Service not available Exchange 2013 with CAS NLB
i have an application configured to relay email through exchange 2013 CAS on a custom relay connector. Application successfully send email whole day but with some missed entries show error code 421...
View ArticleSMTP transient error: 421 Service not available
I am facing interim issue with my oracle DB. where smtp relay is working for 99% of emails sent but only 1% being sending failed with error "SMTP transient error:421 Service not available". I am unable...
View ArticlePossible ways to prevent email spoofing at MIME level
Need your help. Recently we are getting so many SPAM emails to sent from our own email address. We have GFI Mailessentials deployed an Edge Transport server. But GFI does block spoofing at the SMTP...
View Articleunable to receive emails from office 365 TLS 1.2
Hi, i have a bit of an issue one of my clients have moved from exchange to office 365 and using TLS 1.2 protocol, while us still being on exchange and not supporting 1.2 as yet what can our clients...
View ArticleDelay in Internal Mail Delivery
Hi,We have an Exchange 2013 DAG setup as below in our environment .Primary Site - Node1 & Node2DR Site - Node3The above servers are setup with multi role (Mailbox and CAS)The issue is that slow...
View ArticleOutbound emails from one specific email address blocked by Exchange 2013
HiWe have a hybrid environment Exchange Online and are using Exchange 2013 as hybrid server. We have an application that submits emails to Exchange using SMTP and sends emails from...
View ArticleDelay from office 365 to On-Prem
I currently have a Hybrid setup with Office 365 with students in the cloud and teachers On-Prem. Lately i have been noticing issues with O365 users sending emails to On-Prem. O365 Mail can sometimes...
View ArticleRestricting one external domain to send email to internal distribution group
I currently have a internal distribution group which can receive emails from internal user only. How do i configure mail flow so that that distribution group can continue receiving emails from internal...
View ArticleEnable DKIM - Exchange 2010
Hi We are having Exchange 2010 environment with Proofpoint SPAM/Mailgateway. We need to enable DKIM for our environment.How can we achieve this? Please advise.Thanks.,Mr.POP
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