Email Servers





Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

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 is there a way where I can see who has accessed specific emails in someones email account within Lotus Notes / Domino 9.0.1 Social edition? I need to retrieve this information but I'm not a massive user of Notes.
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Get-Mailbox -ResultSize Unlimited | Where {$_.EmailAddresses -like "*@domain_name.local"} | Get-MailboxStatistics | FT DisplayName,TotalItemSize

Two issues:
1.) Only pulls up the first 4 names out of more than 20.
2.) How to export to text?
We think we're running into a limit on SPF record lookups. Does MX and A need to be in the entry? Do they count against it? Do only the IP addresses count against the 10 lookup limit?
What characters are counted toward the character count?
These aren't the ACTUAL IP addresses used but same count.
Is this record even look right?

v=spf1 mx a ip4: ip4: ip4: ip4: ip4: ip4: ip4: -all
I would like to move from Exchange 2010 to Exchange 2016. How can i update it without any errors?
I have a Exchange 2016 DAG across 2 sites, soon to be 3. The 3rd site will be in the US and have a Exchange DB created on it to serve local users. There will be a copy of that database on  2 of my current exchange servers here for redundancy.

My question is, if I activate the US DB copy on one of the Exchange servers here, shut down that host and have it offline for 2 days while in transit will I have an issue when it is up again in the US? Will the database simply copy the changes it missed and eventually become available to be activated? Is there anything special I need to do like suspend the now copy?

Further to this

can I have more details to install a POP3 client or enable IMAP?
I can send out message via Telnet fine like
29y.pngbut why I encounter problem in outlook below
30c.pngWhy? What other Email client can be used instead of Outlook?
I received an email today (8/12/2018) that appears to have been sent on MAY 5 of this year.

I ran MailWasher as usual and saw this unusual email. Mailwasher wouldn't open it. Fine. I opened Thunderbird, and it did not appear in today's emails.

I opened my Earthlink mail account (that's the address it was sent to) and there was the email - no spam, nothing attached, no problem...except that it was apparently sent on May 5.

What the heck is the deal with THAT and the other dead ends involved in this mess?
Dear Experts, we have Exchange server 2016 on Server 2012R2. Can we using Exchange Management Shell to forward emails from a user's mailbox to another's ?

How can we do it? Many thanks!

For example:'s inbox have some emails from, we got a request to forward all emails from in user1's mailbox to
We have an Exchange 2010 Hybrid w/ O365 setup for mailflow for
We use a cloud e-mail gateway that processes e-mail coming in and going out as well.
But we are looking to add a listserv server on-prem called "Sympa".  
We'd be looking at using as a subdomain for the e-mail address for our SYmpa listserv.
Would we need to add a new MX record or just an A record?
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Dear all,

I am having an issue with our Exchange 2010 System. Before i explain what i am facing, I would like to let you know, that i am at an absoulte beginner level regarding Exchange. So any additonal information on how and why Exchange works in a certain way is appriciated.

Here is the problem: When i try to move a mailbox from one database to a new one it takes ages to completed. I had a look into the LOG and found this:
Log of Mailbox move
Folder initialization took about 15 hours. Mailbox is still completing. And I would like to know why? And how can I tweak this, since a lot more mailboxes are waiting for me.

Thanks in advance for your help.

Two CAS servers, Two DB servers
All running Windows Server 2008 R2 on vmware 6.5  - All Windows Updates applied until 2018-06-30
Exchange Version:  14.3 (Build 123.4) - Rollup 21 is not installed
10Gbps network connection
Storage is an all flsh SAN
We are allowing one of our Software Vendors to relay emails from their Cloud Application on Amazon AWS thru our Exchange Server.  The application is sending notifications to certain people within our organization.  The emails are coming from an internal email address I created so its coming from our domain.  It was working perfectly then the software vendor changed AWS servers but kept the same IP Address and now we are only getting a few of the emails?  We did not change anything on our end and I am puzzled as to why it is no longer working?  Anyone have any ideas?  I had setup anew SMTP connector for them to relay thru and have checked all of the settings.  They set me up with a test site from their Server so I could test as I was troubleshooting.  I have had a few of the test emails got hru randomly, but most fail wit this error message:

Database: CTixPROD

ErrorType: System.Net.Sockets.SocketException

MethodName: TryCatch ~ System.Net.Sockets.Socket.DoConnect()

ErrorMessage: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

StackTrace: at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress) at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult …
We have a client who was on o365, we installed an on prem 2016 exchange and put into hybrid mode. All accounts were then moved to the on prem server.

We have some users using ios devices who cannot sync their email, account setup goes though but they wont show any data.
This error is logged;

An exception occurred and was handled by Exchange ActiveSync. This may have been caused by an outdated or corrupted Exchange ActiveSync device partnership. This can occur if a user tries to modify the same item from multiple computers. If this is the case, Exchange ActiveSync will re-create the partnership with the device. Items will be updated at the next synchronization.

--- Exception start ---
Exception type: Microsoft.Exchange.Data.Storage.SyncStateExistedException
Exception message: The sync state named Policy already exists.
Exception level: 0
Exception stack trace:    at Microsoft.Exchange.Data.Storage.SyncState.CreateSyncStateFolderInFolder(SyncStateInfo syncStateInfo, Folder syncStateParentFolder, PropertyDefinition[] properties, Object[] values, ISyncLogger syncLogger)
   at Microsoft.Exchange.Data.Storage.SyncState.CreateSyncStateItemFromDirectItem(PropertyDefinition[] properties, Object[] values)
   at Microsoft.Exchange.Data.Storage.SyncState.Commit(PropertyDefinition[] properties, Object[] values)
   at Microsoft.Exchange.AirSync.Common.SyncStateDataInfo.SaveToMailbox()
   at Microsoft.Exchange.AirSync.Common.Command.WorkerThread()
Hello I was hoping I could get some direction. I recently attempted to upgrade my exchange 2013 environment from CU1 to CU21 in my lab and after upgrading the server I ran into this issue. This issue only presents itself after I attempt to create a resource mailbox. Has anybody experienced this before?

Cannot open mailbox /o=IMT Global Inc/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=MAIL/cn=Microsoft System Attendant.

I've read many articles online and have tried some of the common solutions such verifying that the database is mounted, made sure arbitration mailboxes existed, verified that the Homemdb attribute on Microsoft System Attendant is pointing to the correct database. If anybody could provide some assistance I would appreciate it.

[PS] C:\Windows\system32>get-mailboxdatabase -status | fl name,mounted

Name    : Mailbox Database 1856687281
Mounted : True

[PS] C:\Windows\system32>get-mailbox -arbitration | ft name, alias

Name                                                        Alias
----                                                        -----
SystemMailbox{1f05a927-16c9-4c50-8ef8-e9a9dae2eadd}         SystemMailbox{1f05a927-16c9-4c50-8ef8-e9a9dae2eadd}
SystemMailbox{bb558c35-97f1-4cb9-8ff7-d53741dc928c}         SystemMailbox{bb558c35-97f1-4cb9-8ff7-d53741dc928c}
SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9}         SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9}
I have a custom cpanel email filter, sample of which is shown below.
Just trying to work out how to bypass the first part of my filter that checks email body for specific sender domain names such as ".us", ".com"?

# Filters all incoming an outgoing mail logfile /var/log/filter.log 0644
# reject spam based on email body
    logfile /var/log/filter.log 0666
    $message_body contains "Hello PayPal" or
    $message_body contains "Dear valued PayPal" or
    $message_body contains "We have a dedicated team" or
    $message_body contains "find love again" or
    $message_body contains "rediscover love" or
    $message_body contains "forward to your positive reply"
    logfile /var/log/filter.log 0666
    logwrite "$tod_log Message Body Contains SPAM keywords - Header from: $header_from $message_id" 

   $sender_address contains ".ua" or
   $sender_address contains ".pl"
    logfile /var/log/filter.log 0666
    logwrite "$tod_log Sender address from SPAM TLD - Header from: $header_from $message_id" 

    $header_from contains "igorexdd" or 
    $header_from contains "secret." or 
    $header_from contains "netjobscom" 
    logfile /var/log/filter.log 0666
    logwrite "$tod_log Email Address Contains Hackers email - Header from: $header_from $message_id" 

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Hello together,

i do have the following problem:

I have a "corrupt" Exchange-Database which needs to be moved to a new one.
I have already moved all mailboxes (1,2 TB) and all PublicFolders (180 GB).

Now at my last checks, i have found the following Problem:
There are about 50 Health-Mailboxes located on this database. Is it okay that i just move them to the new one with a Move-Request, or what do you suggest?

[System: EXCHANGE 2013, DAG]

Thank you very much

BR Basti
Hello Experts

I would like to be able to talk and get some questions about the configuration of spam in MAILENABLE.
I'm getting sender rejected emails from emails I send to addresses at a specific host.

These all worked until a day or two ago. same thing happened yesterday with another email address, same host.

See attached,

Anything I can do about this?
I am Canadian based and have a bunch of email subscribers using a specific domain name (, my family name).

For these users, email has to work. Hosting is secondary. When email is not working appropriately, I get the call. I'm tired of getting the call, I need a solution...

My main base of subscribers are only using iPad email. This ticket is to find an email provider that can use my domain name (so we don't have to change everyone's email address), that works well with iPad email, blocks most of SPAM - but if possible can host a .NET website.

1. I started out with - good .NET services but email settings had to be changed a bunch of times because the ISP would block the email ports, and I had users using several ISPs. Email issues came up a lot, and users received a ton of SPAM.

2. I moved to, thinking that if I moved upstream to a DNS provider that things would get better - but they got worse. It never worked well with iPad default mail client, and had to install Outlook for iPad, retrain users etc... But was good at blocking SPAM.

The latest issue is that webmail works well (ie: no problem with Namespro), but email is being sent (with no error messages) but not being received by recipients. This means that there is something wrong with iPad or the iPad Outlook client. On all the users at the same time - obviously an iPad or Outlook update....

I am tired of this all, and would love any advice to know if there is a site…
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I have an Exchanger Server 2007 in a Windows 2008 Server environment. I need to upgrade to Exchange Server 2016 in a Windows 2016 environment. I did some extensive research and concluded that I would have to install a new server Exchange 2013 in the domain. Move all mailboxes to the Exchange 2013 server. Shutdown and remove Exchange 2007 server permanently from the domain. Then Install an Exchange 2016 server in the domain on a Windows Server 2012 platform. Then move all Exchange 2013 mailboxes to the Exchange Server 2016 platform.  got to the point of installing the Exchange server in a Windows 2012 environment and the installation failed. Since then my Exchange Server 2007 continues to work flawlessly however all subsequent attempts to Re-Install the Exchange Server 2013 fail.
Apparently the first failed installation added some extra mailboxes to the Exchange Server 2007. It appears that I must remove them before making any further attempts to reinstall Exchange 2013.
How do II do this
Hello all, I'm having issues with sending an email with an attachment lets say over 10mb. The mail server is locally hosted using Exchange 2010 and we use MessageLabs. The exchange server is set to 30MB send and receive and MessageLabs message size is set to its default 50mb. A test email with a 25mb file from an external email address was sent to an internal email address where the Exchange 2010 server is hosted and MessageLabs has let it pass through. The email must then get rejected when it reaches the Exchange server. Any help would be much appreciated.
GAL sync error: 0X8004010F
So far, every user is effected by this problem.   I am running exchange 2016 standard.  The GAL used to sync just fine.
SO far, everytime I manually sync it, I get this error, on every computer.
I know there's an issue because a new employee that I created a few weeks ago is not appearing in the GAL.
When I check OWA, the employee is listed in the GAL, but not in outlook 2013 or 2016.  I have tried using the "non-cached" option in Outlook, and that works fine,
the GAL shows updated.   Any idea's how to solve this sync issue?

Exact error: Task '' reported error (0X8004010F) : "the operation failed. An object cannot be found"
We are in a process of migrating to 0365 and we have 800 mailboxes to be migrated and also we have changed the email address of all the users and I was told the new address will be applied to the accounts only when the policies are applied in the 0365 and I was told only to apply the policies only after the mailboxes are migrated.
I have migrated some 8 mail boxes now and have not applied policies still

I tried logging into one of the mailbox that was migrated to 0365 cloud and I was not able to log in and it says “Your account has been temporarily locked to prevent unauthorised use. Try again later, and if you still have trouble, contact your admin.”

I have two queries.
Will it allow to log in only when the policies are applied?
Secondly, what will happen if I migrate a mailbox after the policies are applied?
Will it cause any problems and will the mailbox pick up the new address?

Thanks any help will be great.

On our Exchange 2007 and I have more than 800 user mailboxes. On every mailboxes, I would like to assign the following domain admins full access permission by going to Exchange EMC – Right click users –Manage Full access permission- Add the following administrators.

 Domain\Enterprise Admins
 Domain\Exchange organisational Administrators

 When I select to multiple users on the exchange 2007 EMC, I don't get an option for Manage Full access Permission from the EMC.

 Please let me know as how to give “Manage Full access permission” to the all 4 domain admins.
 Will this need to be done through Power shell Or is there any other easy way assigning the permissions to these admins.
 Any help much appreciated and tutorial will be great

I have a user that just set up a Bluehost email account using Horde for webmail and when they send email to Hotmail accounts it goes into the junk folder. What can I do to prevent this from happening?

Email Servers





Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.