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Toll Free: +44 800 088 5522 
Toll Free: +1 888 900 4529
| Toll Free: +44 800 088 5522 This blog section deal with common but most frequently asked questions on different forum sites that “Too many recipients In Outlook” or “Error 452”. Here we discuss, how this problem issues arise and how we can deal with to fix this issue.
This error occurs when an Outlook user sends single emails to multiples user at a time and message not sent to the delivered address. For Example, A Outlook user want to send mail to distribution groups that includes hundreds of user address but while sending the message, user start getting message “Too Many Recipients in Outlook”
Reason – Error 452 Or 452 4.5.3 in Outlook Application
Mostly this error arises by your Internet Service Provider as Outlook application does hold any limits on email address while sending messages to a large number of people. This is done by ISP Provider to avoid spamming emails, that used to send single emails to hundreds of user.
Different types of Restriction can be applied by ISP Administrator to limit the messages sending by the user.
1) Either it Depends on, “How many recipients can be addressed for single mail”
2) You can send the number of emails in a Single hour.
3) Number of Emails, you can send in One Day.
This limitation is done to avoid any kind of spamming or abusive user of Server services. Contact your ISP administrator to know what kind of policy used to send/receive emails.
Solution to Fix Error 452 Or 452 4.5.3 & Too many recipients In Outlook 2016,2013, 2010, 2007 Version
Note: Before start fixing this issues, please contacts your ISP administrator to know, is there any limit or permission applied it or not.
Common tips to avoid these Error 452:
1) Reduces the number of recipients from the Distribution list.
2) Also can split the Distribution group in two so that you can move half number of user recipient to newly created List and help you to avoid “Too many recipients in Outlook 2016, 2013, 2010” Issues.
Conclusion
