Specific mails are not delivered to the user inbox. "Message delivery is...
Hello,A users is complaining she doesn't receive a certain e-mails. I check the usual stuff, anti-spam, see if her Outlook is connected etc.Everything checks out, when I check message tracking I see...
View ArticleCould not send e-mail because address has ".@"
Hello!I have a problem with the exchange server because when I want to send an e-mail that has this combination ".@" it gives the following error: "one or more recipients are invalid" and that is NOT...
View ArticleExchange edge 2013 spam problem
We are constantly spammed by multiple and non-repeatable domains that all implement a generic SPF record as follows "v=spf1 a mx ptr ~all".We would like to fail all SPF records that include the ~all...
View ArticleSchannel Fatal Alert (70)
Hey guys,Exchange 2010 latest SP3 with RU 10.Been getting a lot of these, I installed wireshark and changed it's filter to ssl, once I was able to determine that alert 70 meant protocol version not...
View ArticleWhat is the correct setting to relay mail through exchange from an internal...
I've been dancing around this subject a bit, usually taking the path of least resistance. I would, however, like to know the correct answer.I've had to make special receive connectors to enable...
View ArticleFROM field is being changed to the recipients email address on a REPLY
Question:User A replies to an Email from User B. User A gets the email rejected and the error message"You can't send a message on behalf of this user unless you have permission to do so."The FORM field...
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Exchange 2013 - RBL not working
Hi guys.We are dealing with RBL not working.We have zen.spamhaus.org as one of the RBL's (priority 1).This IP is reported as...
View ArticleExchange Server 2013 outbound mail flow problem 1 week after migration from 2007
I am in the midst of migrating from Exchange Server 2007 to Exchange Server 2013. After what I thought was careful planning, I was able to install Exchange Sever 2013 on a Windows Server 2012 VM. I...
View ArticleSporadic Internal Email Delay
We are having sporadic issues with internal email delayed delivery.This is the topology:Single Exchange 2013 (Version 15.0 Build 995.29) running on Windows 2012R2Here is a message tracking log...
View ArticleBad Glue Detected
Hello,i did test for domain i found 2 warning in DNS as below:1-Bad Glue Detected2-SOA Expire Value out of recommended rangeDo I need to solve this problem or leave it as it is. please advise me thanks.
View ArticleEmail address - block special characters?
Just been through a premium support issue where a 2013-2010 co-existence could not handle mailboxes with an ampersand (&) in either the alias and/or the email address. I'm sure I've seen this...
View ArticleOutBound mail flow fails to send and stuck in query 451.4.4.0
Hello,The test exchange server I'm trying to deploy passes all connectivity tests but is having trouble sending anything outbound. it can receive from the outside just fine. We've already processed...
View ArticleProblems when forwarding NDR's the get translated to Chinese garble (if it is...
Hi ThereWe're running on an Exchange 2013 server. When users get a NDR (look OK at this time), but when forwarding the NDR to system admin, they get garbled into Chinese (or what looks like Chinese)....
View ArticleMail between domain after O365 migration and dirsync
Hello, I have a multi domain exchange 2013. One of the domains was migrated to office 365 and mailboxes and domain was removed from the exchange. The synchronization is filtered down to the OU where...
View Articlemigration Lotus Notes to Exchange, how to migrate confidential emails (in LN...
Hi,we're investigating a migration of Lotus Notes to Exchange. One issue is the migration of encrypted mail. How to keep them confidential in Exchange?We have users like a secretary that has read/write...
View ArticleDomain and Exchange migration. How to deal with S/MIME certificates
Hi, We are migrating some users from one forest/Exchange org to another. In the old forest they use S/MIME digital IDs (issued by an internal Enterprise root CA) for signing and encrypting email. In...
View Articlemail failed to deliver
hi all , recently we have added new Exchange Server Node ( one CAS/HUB and one Mail box ) to our environment exchange 2013 .we trying to send email to outside some emails are going and other are failed...
View ArticleARR 3.0 vs 2.5
I just transitioned my network from Windows Server 2012 Essentials to Windows Server 2012 r2 Essentials. While following the directions to integrate my email system back into the environment I...
View ArticleHelo/Ehlo Response
Hello. I changed banner on EDGE server so when telneting telnet smtp.something.com 25 i get: 220 smtp.something.com but after typing Helo or Ehlo i get 250 localservername.something.com How to change...
View ArticleMaximum Recipients When Sending From a Distribution Group Address
We have the maximum number of recipients set to 30 to discourage spamming but we sometimes make exceptions for higher profile users. This usually works no problem to bypass the 30 recipient restriction...
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