-d2.1

-d2.1

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Debug command-line switch

Ordinarily, sendmail exits silently when it is done (unless an error causes an error message to be printed). The -d2.1 (a.k.a. -d2 ) debugging switch causes sendmail to print three useful values when it exits. The message it prints looks like this:

 =  ==  =finis: stat  number  e_id=  qid  e_flags=  flags  

The number is the final value of the sendmail program's global ExitStat variable. It is usually updated to contain the latest error value as defined in <sysexits.h >. See Section 15.5 for a detailed description of the possible exit values.

The qid is either the queue identifier (such as g7PI04TK027759) or, NOQUEUE if the message was never assigned an identifier (if it was never queued, for instance).

The flags is a hexadecimal representation of the possible envelope flags followed by a text representation of those flags in angle brackets with the leading EF_ removed. For example:

 201003<OLDSTYLE,INQUEUE,GLOBALERRS,HAS_DF> 

These are the envelope flags that were in effect with the current envelope when sendmail exited. The possible values are shown in Table 16-6.

Table 16-6. Hexadecimal envelope flags

Text	Hex	Description
EF_OLDSTYLE	0x00000001	Use spaces (not commas) in headers
EF_INQUEUE	0x00000002	This message is fully queued
EF_NO_BODY_RETN	0x00000004	Omit message body on error
EF_CLRQUEUE	0x00000008	Disk copy is no longer needed
EF_SENDRECEIPT	0x00000010	Send a return receipt
EF_FATALERRS	0x00000020	Fatal errors occurred
EF_DELETE_BCC	0x00000040	Delete Bcc: headers entirely
EF_RESPONSE	0x00000080	This is an error or return receipt
EF_RESENT	0x00000100	This message is being forwarded
EF_VRFYONLY	0x00000200	Verify only (don't expand aliases)
EF_WARNING	0x00000400	Warning message has been sent
EF_QUEUERUN	0x00000800	This envelope is from the queue
EF_GLOBALERRS	0x00001000	Treat errors as global
EF_PM_NOTIFY	0x00002000	Send return mail to postmaster
EF_METOO	0x00004000	Send to me too
EF_LOGSENDER	0x00008000	Need to log the sender
EF_NORECEIPT	0x00010000	Suppress all return receipts
EF_HAS8BIT	0x00020000	Has at least one 8-bit character in body
EF_NL_NOT_EOL	0x00040000	Don't accept raw newline as end-of-line
EF_CRLF_NOT_EOL	0x00080000	Don't accept carriage -return/line-feed as end-of-line
EF_RET_PARAM	0x00100000	SMTP RCPT command had RET argument
EF_HAS_DF	0x00200000	Set when the df file is instantiated
EF_IS_MIME	0x00400000	This is really a MIME message
EF_DONT_MIME	0x00800000	This message is not MIME-able
EF_DISCARD	0x01000000	Discard this message
EF_TOOBIG	0x02000000	This message's body is too big
EF_SPLIT	0x04000000	This envelope has been split
EF_UNSAFE	0x08000000	Message read from an untrusted source

For example, if the message were fully queued and required a DSN return receipt, the flags would print as:

 e_flags=12<INQUEUE,SENDRECEIPT> 

Note that this line of output is also produced by the -d13.1 , -d40.3 , and -d50.1 debugging switches but under different circumstances.