Andreas Schubert wrote:
today the pending emails are deleted and a bounce message was send to the
sender.
but how can i set a shorter bounce intervall?
You can change the default value of maximal_queue_lifetime in main.cf
(can be changed using the web admin with MTA -> MTA Config -> MTA raw
config).
Postfix Documentation for maximal_queue_lifetime:
maximal_queue_lifetime (default: 5d)
The maximal time a message is queued before it is sent back as
undeliverable.
Time units: s (seconds), m (minutes), h (hours), d (days), w
(weeks). The default time unit is d (days).
Specify 0 when mail delivery should be tried only once.
You should be careful not to set it too low. The official Internet specs
says that it should be 5 days.
If you want a different queue lifetime only for warning purposes (to
warn you senders that a message has not been sent yet) it's better to
leave the to the default 5 days and use delay_warning_time.
The Postfix documentation:
delay_warning_time (default: 0h)
The time after which the sender receives the message headers of
mail that is still queued.
To enable this feature, specify a non-zero time value (an integral
value plus an optional one-letter suffix that specifies the time unit).
Time units: s (seconds), m (minutes), h (hours), d (days), w
(weeks). The default time unit is h (hours).
Once set a warning message is sent to the sender when the message is not
yet sent after the given warning time.
Kind regards,
Martijn Brinkers
Djigzo open source email encryption