[Mailman-Users] bounce mail transfer

[Masaharu Kawada]

Hello Mark-san,

I very much appreciate your answer and that was a big help.

I think the second method you gave me that using alias_overrides is the one
I need.

Thanks a million!

Masaharu Kawada


On Wed, Jun 5, 2019 at 9:38 AM Mark Sapiro <mark at msapiro.net> wrote:

> On 6/4/19 4:55 PM, Masaharu Kawada wrote:
> >
> > Are there any ways to have a bounce mail transferred to a specific user(
> > ex:test at domain.com) instead of the mail sender?
> >
> > I haven't been able to find any ways within Mailman configuration, but I
> > just wonder if we can make it by using any method of postfix side.
>
>
> Yes, you do it in Postfix with aliases.
>
> > The "man postfix" says:
> > =====
> > -notify_classes (resource, software)
> >
> >               The list of error classes that are reported to the
> postmaster.
> >
> > -2bounce_notice_recipient (postmaster)
> >
> >               The recipient of undeliverable mail that cannot be returned
> > to the sender.
> >
> > -bounce_notice_recipient (postmaster)
> >
> >               The recipient of postmaster notifications with the message
> > headers of mail that Postfix did not deliver and of SMTP conversation
> > transcripts of mail that Postfix did not receive.
> > =====
> >
> > So it looks like a bounce mail can be transferred as a copy to a specific
> > user besides postmaster this way.
> >
> > notify_classes = resource, software, bounce  <---Add 'bounce' to the
> > parameter here.
> >
> > 2bounce_notice_recipient = test at domain.com   <---Specify the email
> address
> > where you want a bounce mail to be returned.
> > bounce_notice_recipient = test at domain.com    <---Specify the email
> address
> > where you want a bounce mail to be returned.
>
>
> You don't want this because even if you can make it work, it will affect
> all bounced mail.
>
>
> > The scenario is as follows:
> > 1.A sender sends an email to a mailing list.
> > 2.The mailing list has a user that does not exist anymore.
> > 3.A bounce mail is set to return to the sender.
> > 4.The bounce mail is sent to one specific user besides the sender.
> >
> > Is this the right way? If I am missing anything to make it work, I would
> > like you to point me to the right way.
>
>
> There are things you can do. First of all bounces are returned to the
> listname-bounces address to enable automatic bounce processing to
> disable delivery and ultimately remove bouncing users. What are you
> trying to accomplish by sending them also to another address?
>
> If all you want to do is see them, beginning in Mailman 2.1.19, there is
> a bounce_notify_owner_on_bounce_increment setting in bounce processing
> to send them to the list owner. See
> <https://bugs.launchpad.net/mailman/+bug/1382150>.
>
> If this isn't satisfactory, you can look at your Mailman aliases for
> Postfix which are probably in Mailman's data/aliases and data/aliases.db
> files. what you need to do is make a second set, say alias_overrides and
> alias_overrides.db.
>
> In aliases you will see the entire set of list aliases for all lists. In
> particular, for the list of interest there will be a line like
>
> LISTNAME-bounces:   "|/path/to/mailman/mail/mailman bounces LISTNAME"
>
> copy that one line exactly to alias_overrides and then add a second line
> beginning with whitespace with the second address like:
>
>     test at domain.com
>
> Then run
>
> postalias alias_overrides
>
> to create alias_overrides.db and if necessary change tehe ownership of
> alias_overrides.db to match that of Mailman's aliases.db and finally, add
>
> hash:/path/to/alias_overrides
>
> to Postfix alias_maps ahead of the entry for Mailman's aliases.
>
> Do it this way because Mailman will periodically update its aliases, at
> least if you are using Mailman's Postfix integration.
>
> Note: this all assumes you are using aliases to deliver from Postfix to
> Mailman.
>
> --
> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
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