General-Purpose Mail Package
|Official GNU Software|
Program mailboxes support only append operation. Appending a message is performed by invoking the specified program and passing the message to its standard input stream.
A ‘sendmail’ mailbox is identified by the following URL:
The messages are sent by invoking
sendmail binary with the
-oi -t options. If the message being appended has the
‘From:’ header, its value is passed to
the -f option.
The default path to the sendmail binary is system-dependent. The path part can be used to specify it explicitly.
The ‘prog’ mailbox URL is:
Messages are appended by invoking the program pathname with the arguments supplied by query. The latter is a list of words delimited by ‘&’ characters.
Arguments can contain the following variables (see Variables):
Expands to the sender email address.
Expands to comma-separated list of email addresses obtained from ‘To:’, ‘Cc:’ and ‘Bcc:’ headers of the message.
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