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What is the meaning of softfail and what issues it can cause and how to fix it?
What is the meaning of softfail in authentication-result for spf in an email header and what issues it can cause and how to fix it? Does it get fixed on sender's exchange side or recipient's exchange...
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...
View Articlerejected messages
We running exchange 2013 on prem and in hybrid mode with office 365. We use barracuda essentials for spam and archiving. We have been seeing a lot of rejected messages in the logs of the Essentials...
View ArticleMessage trace details
What is the meaning of below custom_data in Message TraceS:PCFA=OCAT|dkim=0 S:DeliveryPriority=NormalS:AMA=EV|engine=A|v=0|sig=201902060009|name=|file=|hash=|phash=...
View ArticleEmails not going thru to rogers & shaw.....DNS Connector ( outgoing smtp ) issue
Hello Please help.....we have changed our external IP and now unable to email users. Emails not going thru and are stuck in Queue Thanks
View ArticleMicrosoft Exchange Auth Certificate is going to expire
I was getting a warning says "Microsoft Exchange Auth Certificate is going to expire soon" like that.This certificate was self generated and would like to renew before expire and i had clicked on renew...
View ArticleDelivery Status Notification - SPFDKIM.FailureNotification
Hi,Recently we getting the below "delivery status notification" email from one of the Bank email domain.Could someone help on this to get resolve. Please provide the detail step.Below is the error...
View Articleexchange server delay the message
hi all , we have three exchange server 2013 , now emails from outside are being delayed and some of email not being received . we have fortimail on the environment. from the fortimail view the emails...
View ArticleSORBS SPAM " WILL BE DE-ACTIVATED VERIFY YOUR EMAIL WITHIN 48HOURS "
Hello Good People,I need to undertsand why i received this email.Do i have to do some policy etc.Appreciate your feedback.Regards,Arif
View ArticleMaximum attachment Size
Hello, I configured TransportConfig MaxReceiveSize 50MB MaxSendSize 50MB. SendConnector also 50MB, ReceiveConnector same. But when I open OWA I can only add 25MB attachment.Where is could be the...
View Articlesmtp relay for certain domains
hi,is it possible to make a relay connector for a certain domains ( gmail , hotmail, yahoo) because my mails always in spam andcompanies like dnsexit count relay by mails .and thanks
View ArticleBounce 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 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 ArticleS/MIME configuration for Microsoft Outlook on the web OWA
Hello I have a platform based on Windows servers, I have an Exchange 2013 mail server with an OWA web access application. I need to enable electronic signature of emails by accessing through OWA. the...
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Setting a "disclaimer" for a retired user in Exchange 2013?
We recently had a high profile user retire and we quickly hired a replacement.I want to keep the mail flowing to the new employee and create a disclaimer stating the retired user is no longer with the...
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