Specifies the number of days after which the server returns undelivered
mail to the sender.
Increase this setting when you have a lot of mail returned in one day or
when you are sending
mail to foreign domains. To specify a period of less than one day, use
the notes.ini setting
There is no default setting, although if this setting is omitted,
undelivered mail is
returned after one day.
None, but you can specify this setting in the NOTES.INI Settings tab of
Settings document in the Domino Directory.
MailTimeout = number of days