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| -rw-r--r-- | Mailman/Defaults.py.in | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Mailman/Defaults.py.in b/Mailman/Defaults.py.in index 623ad3bd8..5108a01fb 100644 --- a/Mailman/Defaults.py.in +++ b/Mailman/Defaults.py.in @@ -101,6 +101,20 @@ MAX_SPAWNS = 40 # transaction. SMTP_MAX_RCPTS = 500 +# +# Maximum number of simulatenous subthreads that will be used for SMTP +# delivery. After the recipients list is chunked according to SMTP_MAX_RCPTS, +# each chunk is handed off to the smptd by a separate such thread. If your +# Python interpreter was not built for threads, this feature is disabled. You +# can explicitly disable it in all cases by setting MAX_DELIVERY_THREADS to +# 0. This feature is only supported with the SMTPDirect DELIVERY_MODULE. +# +# NOTE: This is an experimental feature and limited testing shows that it may +# in fact degrade performance, possibly due to Python's global interpreter +# lock. +MAX_DELIVERY_THREADS = 0 + +# # Delivery module for the message pipeline. See # Mailman/Handlers/HandlerAPI.py for details. Unless overridden specifically # in that module, this handler is used for message delivery to the list, and |