Outgoing emails contain firewall WAN IP in headers instead of dedicated...
Hi All,I have 2 CAS/HT Servers configured viz Microsoft Load Balancer and 2 Mailbox Servers. I have configured 1:1 NAT on my Firewall pointing to NLB Virtual IP.WAN IP: xx.xxx.xx.80Exchange IP:...
View Articlealot of mails rejected
TX2EHSMHS005.bigfish.com rejected your message to the following email addresses: m.hamed@bapetco.simis.com (m.hamed@bapetco.simis.com) TX2EHSMHS005.bigfish.com gave this error: Service unavailable;...
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Problems sending/receiving
Hi guys,I've spent way too long on this and I'm hoping someone can help me out.A couple of days ago I thought I'd have a crack at installing CU1 on my 2013 server (around 12pm). It failed and it looked...
View ArticleUsing Transportrule patterns in Exchange 2013
In Exchange 2010 I was able to send a specific disclaimer (with or without Mobile Phone number) based on a AD Pattern match. Strangly Exchange 2013 does not allow the expression I'm using. I was...
View ArticleCreate email flows between two different Domains
Dear Sir/Madam:How to create email flows between two Exchange 2013 servers in two different Domains so that the users inside each Domain can receive emails vice versa.Many Thanks
View Articlewinmail.dat Attachments are received whether TNEF is disabled or not
Hi,we've got some issues when sending emails to some linux recipients, that attachments or s/mime signed emails are converted to the dreaded winmail.dat attachements. On Exchange 2010 i've just...
View ArticleExchange 2007 - Messages with attachments greater than ~500KB are not being...
Messages send fine with attachments to most email servers. But we are running into an issue with some messages that do not send if there is a larger ~500KB attachment. I can send a large file to...
View ArticleOWA being used as a spam / phishing platform, how to prevent this
This past Tuesday after hours, my company was the victim of an OWA exploit that caused our domain to get blacklisted due to sending out millions of spams. I was at a loss to explain how that could...
View ArticleExchange 2013 with multi domains Delivery problems
Hello, We have Exchange Server 2013 installed as VM in our Windows Datacenter 2008 R2, we have problems in sending and receiving, we are troubleshooting the Exchange to figure out what are the...
View Article421 4.7.11 Message deferred
Hello, we have a problem sending .dwg (AutoCAD file) from our Exchange 2013 and the error is 421.4.7.11 Message deferred. Can someone knows what is the problem of our exchange 2013? Thank you.
View ArticleAuthentication and MAIL FROM header
Hello. As I know when i authenticate to exchange, i can then send mail with any header MAIL FROM. How can I change that behaviour, so exchange force checking that MAIL FROM is equal to authenticated...
View ArticleExchange 2013 issues -new emails appears in Drafts
Only happens if the users have a 2nd-mailbox attached, a pop3 or imap4 email account and with online mode, users are working with outlook 2010/Outlook 2013 Windows 7/ Windows 8 OS+Office fully patched!...
View ArticleInternal message path
Hello. The goal I want to achieve - force all internal clients to authenticate against exchange server. I have one exchange server with mailbox and CAS roles. As I take it, I should make some...
View ArticleThrottling Settings for Sending more that 1500 emails simultaneously using...
Hi,We have configured SQL job which sends once a month more than 1500 emails simultaneously.Not all emails are delivering.Which throttling settings should I look for to change?
View Articlemailbox recipient does not have a mailbox database
For one of our customers we are currently working on a prove of concept to implement on premise exchange servers. The problem mentioned below takes place on test servers.Server names and mail domain...
View ArticleExchange 2013 / Outlook 2007
Hi,Just finish to configure Exchange 2013 CU3; I have no problem with OWA. But trying to connect to outlook 2007 SP3 (PC is joined to local domain: mysociety.lan) i'm facing with this error: "The...
View ArticleMoving sent items to different folders based on from address
So we have users who answer their own email but then also answer emails for 3 other address. When they reply to those address the from address is changed to match. However there is no group sent items...
View ArticleMailflow Post migration
ok, so i have successfully migrated all of our US employees from Exchange 2010 to 2013 cross forest on prem.we are all happy that it is done!! WOot WOot...so now i am thinking post-migration task.to...
View ArticleExchange any Lync 2010 - delayed emails
Hi,I have Exchange 2010 configured with Lync 2010 to send email about missed Lync calls.A certain user is getting those email with a random delay (can be a few minutes up to few days), the user is...
View ArticleHow to block users to sending mail to specific domains with exchange server...
Hi,Please help me to block users to sending mails to specific domain in exchange server 2010 without using any rules Thankx
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