strange mail behavior

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LEARN ABOUT SUNOS

mail.local

mail.local(1M)						  System Administration Commands					    mail.local(1M)

NAME

       mail.local - store mail in a mailbox

SYNOPSIS

       /usr/lib/mail.local [-f sender] [-d] recipient

DESCRIPTION

       mail.local  reads the standard input up to an end-of-file and appends it to each user's mail file (mailbox). This program is intended to be
       used by sendmail(1M) as a mail delivery agent for local mail. It is not a user interface agent.

       Messages are appended to the user's mail file in the /var/mail directory. The user must be a valid user name.

       Each delivered mail message in the mailbox is preceded by a "Unix From line" with the following format:

	      From sender_address time_stamp

       The sender_address is extracted from the SMTP envelope address (the envelope address is specified with the -f option).

       A trailing blank line is also added to the end of each message.

       The mail files are locked with a .lock file while mail is appended.

       The mail files are created with mode 660, owner is set to recipient, and group is set to mail. If the ``biff'' service is returned by  get-
       servbyname(3SOCKET),  the  biff	server	is notified of delivered mail. This program also computes the Content-Length: header which will be
       used by the mailbox reader to mark the message boundary.

OPTIONS

       The following options are supported:

       -f sender       Specifies the "envelope from address" of the message. This flag is technically optional,  but should be used.

       -d	       Specifies the recipient of the message. This flag is also optional and is supported here for backward  compatibility.  That
		       is, mail.local recipient is the same as mail.local -d recipient.

       -l	       Turn on LMTP mode.

       -r from	       Specify the sender's name (for backward compatibility).

       -7	       Do not advertise 8BITMIME support in LMTP mode.

       -b	       Return a permanent error instead of a temporary error if a mailbox exceeds quota.

OPERANDS

       The following operand is supported:

       recipient       The recipient of the mail message.

ENVIRONMENT VARIABLES

       TZ	Used to set the appropriate time zone on the timestamp.

EXIT STATUS

       The following exit values are returned:

       0	Successful operation.

       >0	An error occurred.

FILES

       /tmp/local.XXXXXX       temporary files

       /tmp/lochd.XXXXXX       temporary files

       /var/mail/user_name     user's mail file

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWsndmu 		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mail(1), comsat(1M), sendmail(1M), getservbyname(3SOCKET), attributes(5)

SunOS 5.10							    11 Apr 1997 						    mail.local(1M)

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