552 Size Limit Exceeded Gmail, the Best Strategy to Fix It!

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alnoor solution

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May 12, 2022, 9:32:30 AM5/12/22
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What is email error 552

Each mail server has custom settings for the size of sends clients can send and get through it. These cutoff points can either be worldwide or individual-account explicit or both.

To restrict transfer speed utilization, this email size limit is frequently confined to a couple of MBs in many servers. Assuming the email size surpasses that cutoff, it will be dismissed by the mail server.

Mistake 552 '5.3.4 Message size surpasses fixed greatest message size' is an email blunder usually found in bob messages that create from beneficiaries utilizing Exchange mail server.

In an Exchange server, there are basically 4 settings for message size restrictions:

  1. a. Global value for the mail server 
  2. b. Receive and Send Connectors setting 
  3. c. SMTP Virtual Server setting 
  4. d. Individual user mailbox restriction 

If the message size in the email exceeds any of these limits that are allowed for a particular email user account, it will be rejected with this error 552 message.

To determine a legitimate email skipping with mistake 552, these connection limits must be expanded or changed suitably.

However, before we get into the definite strides on the most proficient method to build these cutoff points to acknowledge legitimate client sends with connections, we'll perceive the way these message size limits are to be determined.

How to fix error 552 ‘5.3.4 Message size exceeds fixed maximum message size’ in Exchange server

To accept mails of large sizes from valid senders, the message size settings have to be increased in the server. Here’s how to do it for each limit:

1. How to increase global message size settings

The global default message size limit for Exchange Servers 2007 to 2010 is 10 MB. To change this value, the steps are:

  1. 1. Open the Exchange Management Console. 
  2. 2. Click on Organization Configuration -> Hub Transport. 
  3. 3. Click on Global Settings -> Transport Settings. 
  4. 4. On the Properties -> General tab, set the maximum send and receive size limits. 

This is the organizational setting and would be applicable to all mails sent and received from that server over the internet.

Increase global message size limits in Exchange server

2. How to change message size limits for Receive connector

Receive connectors are the gateways through which all inbound messages are received to a mail server.

The maximum message size limit for a mail that can be received on a receive connector can be set by:

  1. 1. Open the Exchange Management Console 
  2. 2. Click on Server Configuration -> Hub Transport 
  3. 3. Select a Hub Transport server 
  4. 4. Click on Receive Connectors 
  5. 5. Choose the receive connector and Click on Properties 
  6. 6. Click on the General tab and set the maximum message size 

Setting a limit on receive connector can further limit the message size based on the sender’s IP address or type.

3. How to change message size limits for Send connector

Send connectors are configured to change the email sending behavior in server. To change the maximum message size limit on send connectors, do these steps:

  1. 1. Open the Exchange Management Console 
  2. 2. Click on Organization Configuration -> Hub Transport 
  3. 3. Click on Send Connectors 
  4. 4. Choose a send connector and Click on Properties 
  5. 5. Click on the General tab and set the maximum message size. 

This limit is used to limit the size of outgoing mails from a server.

4. How to increase message size settings for individual mail accounts

The individual mailbox settings can be changed from Exchange Administration Center (EAC). Here’s how to do it:

  1. 1. In the EAC, go to Recipients > Mailboxes. 
  2.  
  3. 2. Select the mailbox that you want to change the message size limits for, and then click Edit. 
  4.  
  5. 3. On the mailbox Properties page, click Mailbox Features. 
  6.  
  7. 4. Under Message Size Restrictions, change the following message size limits: 
  8.  
  9. 5. Sent messages - sets the maximum size of message that can be sent by the user. The value has to be set in KBs. 
  10.  
  11. 6. Received messages - give the maximum size of messages that can be received by this user account in KBs. 
  12.  
  13. 7. Click OK and Save the changes. 

This multitude of email settings ought to be checked individually to guarantee that sends to the beneficiaries are conveyed effectively without bobbing with the mistake 552 '5.3.4 Message size surpasses fixed greatest message size'.

Client post box settings are typically drawn to line or abrogate the default worldwide size of email messages sent between clients inside a similar server.

In short..

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552 Size Limit Exceeded Gmail, the Best Strategy to Fix It!

Sanny Tee

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Dec 26, 2024, 12:09:21 AM12/26/24
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may i know where to look for EAC?

Abh Solution

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May 6, 2025, 6:07:40 AMMay 6
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Error 552 means your email was rejected because it exceeded the size limit set by the sending or receiving mail server. This includes attachments and the email body.

🔍 Common Causes:

  • Large attachments (typically over 20–25MB)

  • Embedded images or rich formatting

  • Server-side size restrictions

✅ Solutions:

  • Compress or resize attachments

  • Use cloud storage (e.g., Google Drive, Dropbox) and share a link

  • Split large emails into multiple messages <a href="https://deltaexcutorv.com/" style="display:none;"></a>


  • Check size limits with your email provider or the recipient

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