As an administrator, you configure Gmail settings, such as compliance, routing, objectionable content, quarantines, and more. To keep Gmail running efficiently and avoid email delivery delays, make sure your Gmail settings stay within the following recommended size limits.
Recommended limits
These limits are for your entire Google Workspace account: all your organizational units and domains combined.
Setting description | Google Workspace account limit | Learn more about these settings |
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Settings: The size limit for all Gmail settings, such as Spam, Compliance, and Routing settings. |
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Descriptions: The number of characters that can be used to describe settings, regular expressions, and other items. |
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Regular expressions: The guidelines for simple-match and advanced-match regular expressions. |
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Recipients: The number of recipients in the Also deliver to setting. |
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Objectionable words: The number of words in the Objectionable content setting. |
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Email addresses: The number of addresses for:
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Email address maps: The guidelines for recipient address maps or alias tables. |
5,000 entries per map Depending on your email sending practices, we may reduce the recipient address limit for your domain. This can affect recipient limits for your address maps. We recommend you follow our best practices for sending mail to Gmail users. |
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S/MIME certificates: The number of S/MIME root certificates. |
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Email quarantines: The number of email quarantines. |
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Attachments: Depends on several factors and ranges from 25 MB for outgoing mail to 150 MB for inbound mail to @google.com addresses. |