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Is 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...

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SMTP 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...

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SMTP 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...

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Possible 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...

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unable 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...

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Delay 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...

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Restricting 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...

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Enable 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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Exchange Server 2010 mails bounce back from Exchange 365

All exchange 365 server users bounce our mails back. We use Exchange Server 2010.Other external mails are fine just 365 users.Delivery has failed to these recipients or groups:--- A problem occurred...

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Force queue emails in exchange

Dears,We have an application that sends a huge load of emails. The application relay through an exchange 2010. We want to use office 365 also to relay emails. Therefore we created a send connector and...

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Mail sent using the wrong send connector

Hello, I have Exchange 2013 Organization with 2 sites. 2 servers in Site1 (CAS and MBX/HUB) and 2 servers in Site2, same roles. I have Fortimail as Smart Hosts in each site. Both connectors has SMTP *...

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Mail 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...

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Mail 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...

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Help with setting up authenticated external mail relay through our...

I need to configure external smtp relay with authentication on exchange 2013 server. I went through the article below :https://practical365.com/exchange-server/exchange-2016-smtp-relay-connector/This...

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Exchange 2013 : 550 5.1.1 User unknown for many recipients except just one...

Hello,We have a strange error with our Exchange 2013 Server (CU13).When an external user sends mail to 2 recipients which have same domain (samedomain.fr for example), if an address is wrong, the...

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Relayed email from printer/scanner to different domain in the same office 365...

I need to relay email from printer/scanner using our internal exchange 2013 server "EX1" (int.abc.com domain). Even I need to allow email to other domains like xyz.com. Our user mailboxes are already...

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Setting up S/MIME on Exchange 2013

Hello,I've been tasked to setup S/MIME on the Exchange server and pretty much followed these steps.http://dizdarevic.ba/ddamirblog/?p=78My main concern is the certificate. I guess I would need to get a...

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Ignored X-OriginatorOrg header value 'domain name' because session...

I am trying to figure out why this e-mail is getting rejected.Any help would be appreciated:  2019-04-15T14:55:11.125Z,SERVERNAME\Default Frontend...

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Mail stuck in send queue

Getting this error when sending email to internet:4.4.1 Error encuntered while communicating with primary target IP address: "Failed to connect. Winsock error code: 10060."

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