Alan Fullmer
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![[*]](./images/corporate/default_icon.gif) posted on 21-12-2004 at 11:17 AM |
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How to set size limits for messages in Exchange Server
This article was previously published under Q322679
SUMMARY
This article describes the different kinds of limits that you can set on message
size in Microsoft Exchange 2000 Server and in Microsoft Exchange Server 2003. It
also explains how you can set these limits.
Note If you have configured a size limit on either the Send or Receive sizes
in global settings, the More Restrictive limit applies to both incoming and outgoing
e-mail messages.
MORE INFORMATION
Size limits for messages depend on various settings. Settings can vary across users.
You can customize the settings for the Exchange 2000 or Exchange 2003 organization,
a specific connector, a specific virtual server, and an individual user.
Senders may receive a non-delivery report (NDR) that is similar to the following
example if their messages are larger than their size limits:
Your message did not reach some or all of the intended recipients.
Subject: Test
Sent: 7/18/2002 2:40 PM
The following recipient(s) could not be reached:
Test Recipient on 7/18/2002 2:41 PM
This message is larger than the current system limit or the recipient's mailbox
is full. Create a shorter message body or remove attachments and try sending it
again.
<server.domain.com #5.2.3>
Global setting
This setting determines the maximum size of the messages in the Exchange 2000 organization;
the messages can be incoming, outgoing, or internal.
To configure the global setting, follow these steps:
- Start Exchange System Manager. To do this, click Start, point to
Programs, point to Microsoft Exchange, and then click System
Manager
- Expand Global Settings.
- Right-click Message Delivery, and then click Properties.
- Click the Default tab to configure the global settings.
Connector setting
The settings for each connector control the maximum size of outgoing messages that
users can send through the connector.
To configure the connector settings, follow these steps:
- Click Start, point to Programs, point to Microsoft Exchange,
and then click System Manager.
- Expand Administrative Groups, and then expand Administrative
Group Name, where Administrative Group Name is the name
of your administrative group.
- Expand Routing Groups, and then expand Routing Group Name,
where Routing Group Name is the name of your routing group.
- Expand Connectors, right-click the connector that you want to configure,
and then click Properties.
- On the Content Restrictions tab, under Allowed
sizes, click to select the Only messages less
than (KB) check box, and then type the size (in KB) that you want to
permit.
SMTP virtual server setting
This setting determines the maximum size of a message that is permitted to pass
through a virtual server. The virtual server advertises the limit by means of the
Extended Simple Mail Transfer Protocol (ESMTP) SIZE command verb (RFC 1870).
Note The protocol size restriction is meant to reject messages on boundaries
with other e-mail systems. These restrictions are effective for individual servers
and should not be used as methods to limit the message size in an Exchange enterprise
server group. Administrators can set the message delivery option in the global settings
to limit and to control the message size restriction across an organization that
uses Exchange 2000 or Exchange 2003. For additional information, click the following
article number to view the article in the Microsoft Knowledge Base:
326154 The OAB
does not replicate if you set a message size restriction at the transport level
To configure the Simple Mail Transfer Protocol (SMTP) virtual server setting, follow
these steps:
- Click Start, point to Programs, point to Microsoft Exchange,
and then click System Manager.
- Expand Administrative Groups, and then expand Your Administrative
Group Name, where Your Administrative Group Name is the
name of your administrative group.
- Expand Servers, and then expand Your Server Name,
where Your Server Name is the name of your server.
- Expand Protocols, and then expand the SMTP node.
- Right-click SMTP Virtual Server Name, where SMTP
Virtual Server Name is the name of your SMTP virtual server, and then
click Properties.
- Click the Messages tab to set the maximum size that you want to permit.
User mailbox setting
This setting determines the maximum size of a message that users can send or receive
through their mailboxes. User mailbox settings are enforced by the information store
instead of by the message categorizer. The information store prevents an oversized
message from being sent to Transport if the message size exceeds the user mailbox
maximum message size setting.
To configure an individual user's mailbox settings, follow these steps:
- Start the Active Directory Users and Computers snap-in, and then locate
the user account that you want to configure.
- Right-click the user's account, and then click Properties.
- Click the Exchange General tab, and then click Delivery Restrictions
to set the maximum size that you want to permit.
Note The size of SMTP messages that are sent between routing groups and to
the Internet increase by about 30 percent if they contain binary attachments or
other 8-bit data.
Examples of effective size limits
Example 1
In this example, the following size limits have been configured:
- The global setting is set to 5 MB.
- The Exchange SMTP connector is set to 3 MB.
- The SMTP virtual server is set to 4 MB.
- The user mailbox setting is set to 2 MB.
Because of these settings, users in the Exchange 2000 or Exchange 2003 organization
can send and receive messages that are a maximum of 5 MB. Users can send messages
through the connector that are a maximum of 3 MB. All mail that passes through the
SMTP Virtual Server (sending or receiving) is limited to 4MB. The individual user,
whose mailbox setting is 2 MB, is also limited to sending and receiving messages
that are a maximum of 2 MB.
Note All Internet e-mail messages use the global setting for limits on sending
and on receiving. The message categorizer evaluates the sender's sending limit and
the recipient's receiving limit. In example 2 earlier, a user with a user mailbox
limit of 3 MB could receive messages from another user with a 3-MB sending limit.
Because Internet users use the global setting, they can send only a 2-MB message.
Keywords: Status: 5.2.3
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Randy12
Newbie
Posts: 1
Registered: 12-9-2009
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| posted on 12-9-2009 at 02:24 AM |
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Thanks for the tips and some information.It helps me a lot..
Regards
Albert
_______
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minzy
Newbie
Posts: 1
Registered: 15-10-2009
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| posted on 15-10-2009 at 06:03 AM |
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Thanks for sharing the whole setup. I hope i could go through the whole thing without hassle.
Regards,
Minzy
Simulation pret immobilier
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pratelliz
Newbie
Posts: 1
Registered: 21-10-2009
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| posted on 21-10-2009 at 05:01 AM |
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Nice info..Been helping a lot of members in this site. A very useful information indeed!
Regards,
pratelliz
Ordinateur portable pas cher
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chanelrobs
Newbie
Posts: 1
Registered: 19-11-2009
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| posted on 19-11-2009 at 03:50 AM |
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Hi ,awesome post! Good thing ive'd drop by this thread. Nice guide for newbies like me. Hope to see more posts soon. Thanks again!
Regards,
chanelrobs
http://pretvoiture.org
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