MAILBOX BUSY FAST RETRY

TCP/IP-channel-specific options: MAILBOX_BUSY_FAST_RETRY (integer)
(New in MS 6.3.) This LMTP client option controls whether the LMTP client  requests that the Job Controller  schedule the message&#x27;s next  retry attempt with a special "short delay" (overriding the  channel&#x27;s usual    setting) in cases of temporary  errors with a 4.2.1 extended response code. Since 4.2.1 is the extended  response code used for the "Mailbox is busy"  (IMAP_MAILBOX_LOCKED) error condition, which can occur when a mailbox  is locked by another process due to another message delivery or to an  IMAP message operation, in such cases attempting another delivery  "quickly" is likely to be useful.

The default is 1, meaning to ask the Job Controller for a fairly quick retry. Setting the option to 0 disables the override of. Positive values greater than 1 result in a retry, but not quite as quick of one. The default value of 1 corresponds to the (not configurable) formula that the   channel uses for such retries. (In 6.3 and 7.0.5.32 and later, the formula used is n + rand % (120 &#x2a; n) seconds. In release 7.0 through 7.0.5.31.0, the formula used is n + rand % (4 &#x2a; n) seconds.)

As of MS 8.0.2.2, this option is also supported by ims-ms channels.

See also:
 * backoff Option
 * LMTP client TCPIP channels
 * Job Controller
 * ims-ms channels
 * TCPIP-channel-specific options