19.5. Miscellaneous config Options

Here are a few of the more useful options you can set in the configuration file:

message_size_limit

Setting this option limits the size of message that Exim will accept.

return_size_limit

Setting this option limits the amount of an incoming message that Exim will return as part of a bounce message.

deliver_load_max

If the system load exceeds the value given for this option, all mail delivery is suspended, though messages are still accepted.

smtp_accept_max

This is the maximum number of simultaneous incoming SMTP calls Exim is prepared to accept.

log_level

This option controls the amount of material that is written to the log. There are also some options with names beginning with log _ that control the logging of specific information.

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