Exchange issue with one external domain
I have a strange issue with our 2013 Exchange. All internal users are getting these return errors if they send to one ( and only one) external domain. These emails work from personal email ( yahoo,...
View ArticleE-Mail Architecture Question\Options (Multi-Platform E-mail or Split Domain)
I have posted similar questions about this, but we are still facing this challenge of using separate SMTP Connectors pertaining to multiple External Smart HostsMy current on-premises environment is...
View ArticleExchange-update problem
Hello, Exchange 2010 SP3(single server) Couple days ago Exchange stoped sending mails. If I restart server everything is fine. Troubleshooting the issue I found that my colleague updated server and...
View Article250 2.1.5 RESOLVER.OOF.IntToExt; handled internal OOF addressed to external...
can someone explain to me why this is being dropped?STATUSOffice 365 used one of your organization's connectors to send the message to an external address. Here are the details:Connector name: Outbound...
View ArticleAuto response to go to one domain only?
HiHad a request to set an auto response from a team mailbox, but the auto response should only go toone certain domain, as part of the auto response they'd like an attachment to be sent also, the...
View ArticleExchange 2010 SP3 Mail Flow Issues
Hi all,I'm having problems isolating a problem on my Exchange server with mail flow. Specs are: Server 2008 R2, Exchange Server 2010 SP3, Xeon E5-2407 processor, 16GB memory, and multiple partitions...
View ArticleExchange 2013 "IP-AllowListEntry" not working
Hello,we are using "Spamhaus ZEN" RBL for our Exchange. There are a few IP-Adresses that I want to whitelist, this should work with "Add-IPAllowListEntry -IPAddress x.x.x.x" The Command works...
View ArticleMail Relay stops working, have to reboot every 6 hours
We have a service that relays voicemail to email for several domains. After working fine for years, suddenly it stops working about every 6 hours (about every 10 hours during off hours). Rebooting...
View ArticleDomains
I have a new client running exchange 2013, with one IP addressso far it has been set up to send and receive emails for over 70 domains and is still increasinghis office has about 100 users in it some...
View ArticleExchange 2013 - SMTP service hangs and stops receiving emails when using all...
Hello Everyone..I'm new to the exchange world and was given a project to upgrade our exchange 2007 server to 2013 then eventually to 2016, but I've run into some issues. I'm currently running Exch13...
View Articlehow many emails are sent via the edge servers and not via O365
We have a hybrid environment. Office 365 & Exchange 2013.We need to get the figures for how many emails are sent via the edge servers (and therefore messagelabs) and NOT via O365Please help.Sarfaraz
View ArticleOutlook 365 user didn't receive emails for over 4 hours but was able to send
Hi, I have an O365 user that came in one morning with about 10 new messages from the afternoon before. She had left at 4:30 the day before and didn't have anything in here inbox after 12:02 p.m. but...
View ArticleExchange 2013 transport service won't start
Hi,I have a 2013 cu21 server and after a restart 2 days ago the transport service tries to start and then hangs at stopping. De queue folder was empty and there was a folder messaging.old- folder in...
View ArticleForcing all outgoing mail to have TLS?
Hello,We send all our outgoing mail currently through to a secure content provider. We have one outgoing send connector. We were told we need to force all our outgoing email to require tls. From what...
View ArticleUser not able to send from an alias email address
Hi there,We have an exchange server 2012 fully patched that is rejecting emails that the user sends from an alias that is attached to his mailbox. The error is one that is associated with a mailbox...
View ArticleShannel 36887 - Missing Certificates in Trusted Root Certificate Authority Store
Hi All I recently expanded from a single Exchange 2013 server to a 4-node exchange DAG with Server 2012R2 Exchange 2013. I have a GoDaddy cert installed on all 4 servers for IIS, SMTP etc. I have...
View ArticleDigicert and sent items
I have implemented Digital Signing and I just noticed that in my sent items folder, the e-mails are displaying a yellow lock in the icon column. All sent items stay with a yellow lock all day. The...
View ArticleOutbound messages from Exchange show internal mail server FQDN
HiI have noticed that the internal FQDN/computername shows up as the 'received from' server when I check the headers of an email sent from my Exchange servers.The reason I am investigating this is...
View ArticleEdge Transport Server & Existing Spam Appliance.
I'm implementing an Edge Transport Server between MBX and Symantec Messaging Gateway. It's going to be the middle man to re-write headers. My mind is having a seizure on how to understand the setup....
View ArticleExchange Server 2010 one O365 user didn't receive emails for over 4 hours
Hi, I have an O365 user that came in one morning with about 10 new messages from the afternoon before. She had left at 4:30 pm the day before and didn't have anything in here inbox after 12:02 p.m. but...
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