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Diffstat (limited to '')
| -rw-r--r-- | Mailman/Handlers/SMTPDirect.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Mailman/Handlers/SMTPDirect.py b/Mailman/Handlers/SMTPDirect.py index 0d09d861..2a0d4c77 100644 --- a/Mailman/Handlers/SMTPDirect.py +++ b/Mailman/Handlers/SMTPDirect.py @@ -345,7 +345,9 @@ def bulkdeliver(mlist, msg, msgdata, envsender, failures, conn): # tempted to delivery bounces there instead of our envelope sender # # BAW An interpretation of RFCs 2822 and 2076 could argue for not touching - # the Sender header at all, and using Return-Path instead of Errors-To. + # the Sender header at all. Brad Knowles points out that MTAs tend to + # wipe existing Return-Path headers, and old MTAs may still honor + # Errors-To while new ones will at worst ignore the header. del msg['sender'] del msg['errors-to'] msg['Sender'] = envsender |