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Test SMTP authentication

clock February 27, 2014 12:10 by author Ashwin Pai

When you have a problem connecting to your ISP's SMTP server from a device such as a Copy machine , or scanner, diagnosis is often difficicult. The same account may connect using an email client. You need an alternate method to view the responses from the SMTP server in real time. Telnet provides a solution. Using telnet you can authenticate the username & password & send an email once authenticated.

First thing to note is that , the request for authenticaton & your response are conducted using base64 encoding. You can use an online source to perform this conversion for you. This is one such resource. http://www.motobit.com/util/base64-decoder-encoder.asp

Using this resource I converted the following to base64 encoding

username/email address sender@sender.com c2VuZGVyQHNlbmRlci5jb20=
password 123abc MTIzYWJj

Note:
1. Telnet client needs to be installed , it is no longer installed by default.
2. CASE is very important

Open a telnet session to the mail server , you need to specify the SMTP port , even if it is at the default port of 25.

C:>telnet smtp.domainname.com 25

The rest of it is in the telnet window

The server typically responds with a 220 message

Type EHLO reciever.com

Type AUTH LOGIN

The server should respond 334 VXNlcm5hbWU6

Type  the username c2VuZGVyQHNlbmRlci5jb20=

The server will respond 334 UGFzc3dvcmQ6

Type  the password MTIzYWJj

If all goes well , the server will respond 235 Authentication succeeded

 You next need to send a message.

Type MAIL FROM: <sender@sender.com>

RCPT TO: <reciever@reciever.com>

DATA

FROM: <sender@sender.com>

Type any text you want , Please call me

Type <Enter>

Type .

Type <Enter>

Note: the last three are ENTER , PERIOD , ENTER on 3 lines.

Type quit to exit



In ADSI Edit you do not see the the Configuration container

clock July 1, 2011 14:25 by author Ashwin Pai

This one drove me crazy. Many help articles start with  " start adsiedit and browse to CN=Configuration CN=Services ....." . I could not see CN=Configuration to save my life.

After hours of hair pulling I found this article Thanks David

http://www.kineticcomputer.com/tips/1103-cannot-see-configuration-container-in-adsiedit.htm

 

If it helped would appreciate a rating star.

Ashwin
Lansend.com
Microsoft Certified Partner



Default Offline Address List is pointing to Deleted Objects container of Active Directory

clock July 1, 2011 14:22 by author Ashwin Pai

Process mad.exe () (PID=2356). Object [\Default Offline Address List]. Property [PublicFolderDatabase] is set to value [domain name /Configuration/Deleted Objects/Public Folder Database

DEL:9e3c1a6b-7c91-4fe4-b32c-cca73a355533], it is pointing to Deleted Objects container of Active Directory. This property should be fixed as soon as possible.

Solution: This worked for me

http://blog.ronnypot.nl/?p=212

 

 



Modify message size limits in Exchange 2010

clock February 28, 2011 18:27 by author Ashwin Pai

1. Modify  Global settings

Organization Configuration->Hub Transport->Global Settings->Properties of Transport Settings
Modify   transport send/receive limits.

2. Modify Send Connector

Organization Configuration->Hub Transport->Send Connectors->Properties of Default Send
Modify send connectors default maximum message size

3. Receive Connector

Server Configuration->Hub Transport->Receive Connectors Pane->Properties of Default <hostname>
Modify receive connectors default maximum message size



Backup Exec email alerts with Exchange 2007 Exchange 2010 SBS 2008

clock February 25, 2011 15:04 by author Ashwin Pai

The issue has been resolved.

  1. In the Exchange MMC , under server configuration select Hub transport
  2. in the action menu on the right hand side select " New Receive Connector"
  3. Give it a name.  any name will do , we call it "Application relay"
  4. In the next screen  Local Network settings
    4.a provide the fully qualified ( internal) dns name of the mail server
    4b. Edit the the receive connector binding & change the port to 26
  5. In the next screen Remote network settings
    5a. remove the default bindings of 0.0.0.0-255.255.255.255
    5b. Add the IP address of the server running Backup exec, in our case 10.0.0.4
    This address is often the same as that of the Exchange server especially if you are running SBS
  6. On the next screen New Connector you will be displayed a summary of your configuration which will look somewhat like this , click NEW to build it.
    Name: Application relay
    Type: Custom
    IP Address(es):
    (All available IPv4 addresses): Port 26
    FQDN: mailserver.domainname.com
    Remote IP range(s):
    10.0.0.4
  7. IF all is well  On the next screen Completion you will be informed  so . click Finish
  8. In the Exchange MMC double click the connector you just created &
    8a. select the Permission groups tab & check Exchange Server
    ( Note: if backupexec is not on the same server as the exchange server you may have to play around with this)
    8b. select the Authentication tab & additionally check off  Externally Secured
  9. Go to Symantec Backup Exec & select E-mail alerts and Pager notifications from the drop down menu
  10. Enable SMTP Configuration & fill up the information for your mail server , remember to specify port 26, Sender name & Sender email address. There is no need to Enable SMTP Authentication

 

That's it you are done.

 If you still cannot send email alerts , you will want to set the logging for the recive connector you just created to Verbose

You will find the log in the following folder.

Receive Connector logs are located in:
Exchange 2010: C:\Program Files\Exchange Server\V14\TransportRoles\Logs\ProtocolLog\SmtpReceive
Exchange 2007: C:\Program Files\Exchange Server\TransportRoles\Logs\ProtocolLog\SmtpReceive
 

Send Connector logs are located in:
Exchange 2010: C:\Program Files\Exchange Server\V14\TransportRoles\Logs\ProtocolLog\SmtpSend
Exchange 2007: C:\Program Files\Exchange Server\TransportRoles\Logs\ProtocolLog\SmtpSend

 images coming shortly



Exchange 2010 New Features: Archive Mailbox

clock September 23, 2010 20:02 by author RakeshB

Archive Mailbox is one of the many welcoming features in Exchange 2010 Server. This feature solves issues related to PST files which gives headache for any exchange admins.

Let me explain how archive mailbox feature will address the existing problems.

  • There is no company which doesn’t have staff using PST files. Archive mailbox gets rid of PST files by giving the user an additional mailbox.
  • PST files are local to the user’s machine, gets corrupted easily and is hard to include the files in backup. Archive mailbox sits in the same mailbox database as the user’s main mailbox and can be included in the backup easily.
  • Archive Mailbox is available in Outlook as well as Outlook Web App (OWA), which is a huge improvement. Users can access their email archive irrespective of where they are.
  • Archive Mailbox is included as part of the Exchange Enterprise CALs and hence no extra cost is required (for those who have ECALs).
  • Retention policies can be set for emails/folders in the archive mailbox.
  • User has the option to search for emails in archive only or both primary & archive mailbox.
  • Archive Quota can be set separate to the primary mailbox.
  • Emails in existing PSTs can be dragged into the archive mailbox very easily.
  • Users get Conversation View scoped to archive mailbox as well.
  • The archive and primary mailbox share the same user account.
  • Only one archive mailbox can be configured for a user.
  • Archive mailbox gets created on the same mailbox database as the primary one, which is a drawback. Future service packs might bring the option to create the archive mailbox in a different database.
  • The default quota warning for the archive mailbox is 10GB, which can be changed.
  • All in all, it is good news for admins as they don’t have to worry about issues like a lost laptop with PST files in it, corrupted PSTs etc.

 



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