diff options
| -rw-r--r-- | Mailman/Gui/General.py | 72 |
1 files changed, 59 insertions, 13 deletions
diff --git a/Mailman/Gui/General.py b/Mailman/Gui/General.py index a917642c..2d9acfda 100644 --- a/Mailman/Gui/General.py +++ b/Mailman/Gui/General.py @@ -156,19 +156,65 @@ class General(GUIBase): ('from_is_list', mm_cfg.Radio, (_('No'), _('Munge From'), _('Wrap Message')), 0, - _("""Replace the sender with the list address to conform with - policies like DMARC."""), - _("""Replace the sender with the list address to conform with - policies like ADSP and DMARC. It replaces the poster's - address in the From: header with the list address and adds the - poster to the Reply-To: header, but the anonymous_list and - Reply-To: header munging settings below take priority. If - setting this to Yes, it is advised to set the MTA to DKIM sign - all emails.""") + - _("""<p>If this is set to Wrap Message, just wrap the message - in an outer message From: the list with Content-Type: - message/rfc822.""") + - _("""<p>If <a + _("""Replace the From: header address with the list's posting + address to mitigate issues stemming from the original From: + domain's DMARC or similar policies."""), + _("""Several protocols now in wide use attempt to ensure that use + of the domain in the author's address (ie, in the From: header + field) is authorized by that domain. These protocols may be + incompatible with common list features such as footers, causing + participating email services to bounce list traffic merely + because of the address in the From: field. <b>This has resulted + in members being unsubscribed despite being perfectly able to + receive mail.</b> + <p> + The following actions are applied to all list messages when + selected here. To apply these actions only to messages where the + domain in the From: header is determined to use such a protocol, + see the <a + href="?VARHELP=privacy/sender/dmarc_moderation_action"> + dmarc_moderation_action</a> settings under Privacy options... + -> Sender filters. + <p>Settings:<p> + <dl> + <dt>No</dt> + <dd>Do nothing special. This is appropriate for anonymous lists. + It is appropriate for dedicated announcement lists, unless the + From: address of authorized posters might be in a domain with a + DMARC or similar policy. It is also appropriate if you choose to + use dmarc_moderation_action other than Accept for this list.</dd> + <dt>Munge From</dt> + <dd>This action replaces the poster's address in the From: header + with the list's posting address and adds the poster's address to + the addresses in the original Reply-To: header.</dd> + <dt>Wrap Message</dt> + <dd>Just wrap the message in an outer message with the From: + header containing the list's posting address and with the original + From: address added to the addresses in the original Reply-To: + header and with Content-Type: message/rfc822. This is effectively + a one message MIME format digest.</dd> + </dl> + <p>The transformations for anonymous_list are applied before + any of these actions. It is not useful to apply actions other + than No to an anonymous list, and if you do so, the result may + be surprising. + <p>The Reply-To: header munging actions below interact with these + actions as follows: + <p> first_strip_reply_to = Yes will remove all the incoming + Reply-To: addresses but will still add the poster's address to + Reply-To: for all three settings of reply_goes_to_list which + respectively will result in just the poster's address, the + poster's address and the list posting address or the poster's + address and the explicit reply_to_address in the outgoing + Reply-To: header. If first_strip_reply_to = No the poster's + address in the original From: header, if not already included in + the Reply-To:, will be added to any existing Reply-To: + address(es). + <p>These actions, whether selected here or via <a + href="?VARHELP=privacy/sender/dmarc_moderation_action"> + dmarc_moderation_action</a>, do not apply to messages in digests + or archives or sent to usenet via the Mail<->News gateways. + <p>If <a href="?VARHELP=privacy/sender/dmarc_moderation_action"> dmarc_moderation_action</a> applies to this message with an action other than Accept, that action rather than this is |