Content_return_block_limit MTA option

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Notification message and return job options (content_return_block_limit)

The content_return_block_limit MTA option may be used to force on the NOTARY (RFC 1891) non-return of content flag for messages over the specified size (in units of MTA blocks); if such a message is subsequently bounced by a system that supports NOTARY, then the original message contents will not be included in the bounce message. By default, this option is not set and hence entire original messages of arbitrary size potentially may be included in bounce messages; however, even when this option is not set, the MTA will automatically truncate original message content when generating a notification message if a message size limit (e.g., the blocklimit channel option) has been imposed on the relevant destination channel.

This option only applies to messages that do not have their own explicit NOTARY (RFC 1891) setting controlling return of content; when NOTARY has been used, it takes precedence over this option.

Option value syntax, Getting option changes to take effect, MTA options, listed alphabetically, MTA options, listed by functional groups, Message size options, Notification message and return job ootions, block_size MTA option, blocklimit channel option, Notification messages.