Bounce back emails to external domains
Hello Good People,My users receiving bounce back emails when they are sending email to few external domains.We user smart hosts, How do i start troubleshooting the issue ?Do i have to contact the smart...
View ArticleTemporarily block emails to a particular user
Hello,I want to block emails to a particular user but the rest flow. I can't change this users email address during that time. I need their account active. So if I want to block new emails going to...
View ArticleEmails get stuck in queue with the following error: 400 4.4.7 Message delayed
Hello,We have 2 users in the company that are not receiving emails generated by accounts that are set up On-Premise.When I looked in the Queue Viewer, there were about 100 emails in that queue all...
View Article403 4.7.0 encryption too weak 0 less than 128
When a customer from one company tries to email us, the email is not delivered and the customer eventually gets an NDR that shows the email failed with the following:Status: 4.4.7 X-Supplementary-Info:...
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 ArticleS/MIME and credential roaming
Hello Exchange Admins, we have an internal request, to provide S/MIME signing and encryption capabilities to end users (approx. 3,000). So we are evaluating implementations and talking about the best...
View ArticleHow to apply retention policy
I'm trying to apply a retention policy to a shared mailbox. I'm using OWA, but when I try to set the policy for a folder, the only option is 'Use parent folder policy', while '1 year delete' is set...
View ArticleWhen is deployment of Exchange in the DMZ reccomended?
The thought would be that by moving Exchange from the internal network, it will make my internal network more secure, but removing a point of access and escalation from it. TheDrape
View ArticleDKIM - support for, standalone on premise 2013
I need to deploy DKIM on a single stand-alone Exchange 2013 server we have on premises. is there a Microsoft tool for crating the DKIM key, a plug - in or a PowerShell script?I have a Exchange 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 ArticleMail ending up in drafts
Today I was trying to update my exchange 2013 to cu21. Before updating Exchange I toke a snapshot in vmWare. The update failed and I reverted the snapshot and now people cannot connect Outlook to the...
View ArticleEdge - Multiple AD sites
HI,I have a DAG spanning thru 2 diferente AD site.Site A and Site BIn each site we are planning to subscribe 2 Edge Servers (2 in each site). They will handle the inboud and outbound mail flow thru and...
View ArticleExchange increase message size?
Hello,I add 10 MB attachment, will be message size 10MB or higher? Why higher?Thanks
View ArticleExchange 2013 Certificate
After Migrating to exchange 2013 from exchange 2010, the old expired certificate is bound to SMTP service, even after installing a new certificate which is assigned the IIS and SMTP service. We are not...
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Odd characters hidden in phishing email
Hello. We've been getting some phishing emails that appear to be written with standard (English) characters. ..At least that's the way it appears when viewed in Outlook. However, when we copy and...
View ArticleExchange 2013 - multiple SMTP Addresses
Hi there,We are are group of companies, and we have multiple accepted domains with different email address policies to have different SMTP addresses.Some users, mostly accounts and HR team, have SMTP...
View ArticleRemote Server returned '550 5.7.1 RESOLVER.RST.AuthRequired; authentication...
We are in a Hybrid environment, all of our mailboxes are hosted in O365 but we have an on premise Exchange server for mail relay. We just installed an Exchange 2013 server today (we have Lync 2010 so...
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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 gmail.my domain name is assistg41.com and all domain dns and exchange...
View ArticleExchange not routing messages indvidually
I have an Exchange organisation with multiple Exchange server within a single AD that spans multiple AD sites, with an Exchange server at each site, and each exchange server sends & receives emails...
View Articleconnection to exchange server lost & reconnects continuously
Hello, I am having trouble while in Outlook. It keeps messaging that connection to Microsoft Exchange server has been lost then restored continuously. I can no longer access outlook. Has something...
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