The first fails because of a connection
timeout and is requeued for a later queue run. The second succeeds (we omit
the full SMTP dialog). After its delivery is complete, it is removed from the queue.
11.8.2.3 Process by identifier/recipient/sender: -q[ISR]
WithV8 sendmail you can process a subset of all queued messages. You can select
which to process based on queue identifier, recipient address, or sender address:
-qIident ?†? match any queue ID that contains ident
-qRrecip ?†? match any recipient address that contains recip
-qSfrom ?†? match any sender address that contains from
The -qI variation is followed by a queue identifier suchas dB9JDWt06701. Th e-qR
is followed by the address of a recipient. The -qS is followed by the address of a
sender. In all three variations, there must be no space between the uppercase letter
and the identifier or address.
These variations are used to limit the selection of queued files that are processed. For
example:
% /usr/sbin/sendmail -qSroot -qRbiff@here
Here, the queue is processed once. Only messages from root are processed. Of those,
only messages that have biff@here as one of the recipients are processed.
In all three variations, a partial specification of queueid, recipient, or sender is viewed
by V8 sendmail as a substring. For example:
-qSroot
matches mail from all of the following:
root
ben@groots.
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