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The Administrator Module
4PSA Qmail Manager 1.1.6 for Plesk 8 / Plesk 7.x Reloaded User’s Guide
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permanently undeliverable, Qmail sends a single-bounce notice back to
the envelope message sender. The From field of the email will contain
the address bouncefrom@bouncehost, although its envelope sender
address is empty.
• concurrencylocal – The maximum number of simultaneous local
delivery attempts. Default: 10. If the value is 0, local deliveries will be
put on hold. concurrencylocal is limited at compile time to 1000.
• concurrencyremote – The maximum number of simultaneous remote
delivery attempts. Default: 20. If the value is 0, remote deliveries will be
put on hold. concurrencyremote is limited at compile time to 1000.
• defaultdomain – The default domain name. Default: me, if that file is
provided by the server administrator. Otherwise it will be defaultdomain.
Qmail-inject adds this name to any host name without dots, including
defaulthost, if this does not have dots.
The QMAILDEFAULTDOMAIN environment variable overrides defaultdomain.
• defaulthost – The default host name. Default: me, if that file is provided
by the server administrator. Otherwise it will be defaulthost. Qmail-inject
adds this name to any address without a host name. defaulthost does
not need to be the current hostname. For example, you may prefer the
outgoing emails to show just your domain name.
The QMAILDEFAULTHOST environment variable overrides defaulthost.
• databytes – The maximum number of bytes allowed in a message.
Default: 0 (this means no limit). If a message exceeds this limit, qmail-
smtpd returns a permanent error code to the client. If the disk is full or
qmail-smtpd reaches a resource limit, qmail-smtpd returns a temporary
error code.