diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mailman/runners/lmtp.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mailman/runners/lmtp.py b/src/mailman/runners/lmtp.py index e967f8965..0a51c534e 100644 --- a/src/mailman/runners/lmtp.py +++ b/src/mailman/runners/lmtp.py @@ -49,6 +49,7 @@ import asyncore from email.utils import parseaddr from zope.component import getUtility +from mailman.interfaces.messages import IMessageStore from mailman.config import config from mailman.core.runner import Runner @@ -97,6 +98,7 @@ ERR_501 = b'501 Message has defects' ERR_502 = b'502 Error: command HELO not implemented' ERR_550 = b'550 Requested action not taken: mailbox unavailable' ERR_550_MID = b'550 No Message-ID header provided' +ERR_DUP = b'Duplicate Message ID' # XXX Blech smtpd.__version__ = b'Python LMTP runner 1.0' @@ -181,10 +183,13 @@ class LMTPRunner(Runner, smtpd.SMTPServer): # Do basic post-processing of the message, checking it for defects or # other missing information. message_id = msg.get('message-id') + message_store = getUtility(IMessageStore) if message_id is None: return ERR_550_MID if msg.defects: return ERR_501 + if message_store.get_message_by_id(message_id): + return ERR_DUP msg.original_size = len(data) add_message_hash(msg) msg['X-MailFrom'] = mailfrom |