I remember trying to send an “unsubscribe” email to google groups and it never 
worked through OpenSMTPd. I kept trying with no luck and thought it was 
something google did. When I tried postfix it worked.

This happened a few months ago so I don’t remember the details, but thought 
someone might want to check it

From: Barbier, Jason [mailto:[email protected]]
Sent: Wednesday, December 24, 2014 10:01 PM
To: James MacMahon
Cc: [email protected]
Subject: Re: are wildcard aliases possible?


Yeah qmail uses - for tagging for whatever reason. The rest of the internet 
uses +.

Sent from a mobile device.
On Dec 24, 2014 9:42 AM, "James MacMahon" 
<[email protected]<mailto:[email protected]>> wrote:
Right, I tag sites for the same reason :)

I just tried your recommendation with OpenSMTPD:

$ telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 janssen.my.domain ESMTP OpenSMTPD
helo localhost
250 janssen.my.domain Hello localhost [127.0.0.1], pleased to meet you
mail from: <jwm+test@localhost>
250 2.0.0: Ok
rcpt to: <jwm+testmail@localhost>
250 2.1.5 Destination address valid: Recipient ok

Seems to work here, but not with qmail:

failure: Sorry,_no_mailbox_here_by_that_name._(#5.1.1)/

So: as a temporary solution, I can use my script to populate /etc/mail/aliases
and switch to giving out jwm+* addresses from now on.

Thanks,
    James

On 24 Dec 2014, Barbier, Jason wrote:
> I don't think that is even planned but change that - to a + and you trip
> over the SMTP tagging feature which does work as you are describing. I use
> jabarb+[site]@ to tag sites and see if they resell my email.
>
> Sent from a mobile device.
> On Dec 24, 2014 7:00 AM, "James MacMahon" 
> <[email protected]<mailto:[email protected]>> wrote:
>
> > Hi,
> >
> > Would it be possible to have an entry in /etc/mail/aliases like:
> >
> > jwm-*: jwm
> >
> > I use qmail currently which supports this, but am looking at OpenSMTPD as a
> > replacement. The problem is that I have used on the order of 100 addresses
> > of the form jwm-*@operand.ca<http://operand.ca> so that unique emails are 
> > used and this is
> > gating
> > my change. To switch, I could use a script that will extract all unique
> > jwm-*
> > entries and populate /etc/mail/aliases but this means that I can't
> > arbitrarily
> > give out new unique addresses on demand.
> >
> > Is this feature in the works?
> >
> > Regards,
> >     James
> >
> >
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> >

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