I'm definitely disappointed by the giant chunks of excess HTML links and
previews added to your reply, for sure.

But the page you linked to clearly says that the asterisk is allowed in the
username portion, so nothing to be disappointed about there. Not sure if
perhaps you misread it just now.

Cheers,
Al Iverson



On Fri, Jan 11, 2019 at 12:48 PM David Carriger <
david.carri...@infusionsoft.com> wrote:

> I'm afraid you're going to be disappointed.
>
>
> https://en.wikipedia.org/wiki/Email_address#Local-part
> Email address <https://en.wikipedia.org/wiki/Email_address#Local-part>
> en.wikipedia.org
> An email address identifies an email box to which email messages are
> delivered. A wide variety of formats were used in early email systems, but
> only a...
> The RFC allows you to put a LOT in the localpart without any sort of
> fanfare, and you can do almost any stupid thing you want as long as you
> quote it.
>
>
>
> ------------------------------
> *From:* mailop <mailop-boun...@mailop.org> on behalf of Al Iverson <
> aiver...@wombatmail.com>
> *Sent:* Friday, January 11, 2019 10:45 AM
> *To:* Michael Peddemors
> *Cc:* mailop
> *Subject:* Re: [mailop] Mailing List Address Formats..
>
> Return-path headers using VERP in this way, with asterisks in the
> username part like this, can be traced all the way back to LISTSERV in
> the 1990s.  It's a long standing practice. If you block based on this,
> you'll block a few spammers or commercial mailers who used or use
> LISTSERV, or who rolled their own mailing list software in a way where
> they copied the VERP styling exactly, but you'll also probably block
> lots of academia and random non-spammy discussion lists.
>
> When I worked for Digital River approximately 150 years ago, we had an
> internal platform that had its own databases and UI for list
> management and campaign configuration, and then when you hit "send" an
> email template was built that was then handed off to the LISTSERV
> server which then did all the building of the messages. The
> Return-Path header for these messages was always of the format
> owner-nolist-x-y*username**domain*-suffix@sender.
>
> Regards,
> Al Iverson
>
>
> On Fri, Jan 11, 2019 at 12:36 PM Michael Peddemors
> <mich...@linuxmagic.com> wrote:
> >
> > owner-nolist-cp_enews-190110p-gqfjbpue*username**domain*-
> suf...@digital.annexbusinessmedia.com
> >
> > (Where 'username', 'domain','suffix' are placeholders)
> >
> > I don't know of this particular mailer, but can I get some feedback to
> > confirm that the '*' character is not a permitted character in an email
> > address? (user name portion)
> >
> > Or has there been a change to RFC's that I am not aware of?
> >
> > Grepping of logs, only shows a couple cases of it.. but wanted feedback
> > on this, as some as you can see are important legitimate senders..
> >
> > owner-at-l*username**domain*-suf...@listserv.sde.ok.gov
> > owner-nolist-190110n-f3yuf778*username**domain*-suf...@prdlsv1nu.shaw.ca
> > owner-abajournal_weekly_allnon*username**domain*-
> n...@mail.americanbar.org]
> > owner-news_release_e*username**domain*-c...@lserv.pmo-cpm.gc.ca
> > owner-nolist-tdw-20190110-cet*username**domain*-c...@listserv.td.com
> >
> >
> >
> >
> >
> > --
> > "Catch the Magic of Linux..."
> > ------------------------------------------------------------------------
> > Michael Peddemors, President/CEO LinuxMagic Inc.
> > Visit us at http://www.linuxmagic.com @linuxmagic
> > A Wizard IT Company - For More Info http://www.wizard.ca
> Wizard IT Services - Web Hosting, Network Solutions, Internet Services
> <http://www.wizard.ca/>
> www.wizard.ca
> Wizard IT provides support and services for the ISP, Telco and Enterprise
> markets. Specializing in Linux Development, Linux Solutions, and ISP
> Infrastructure, Wizard Tower TechnoServices is also the parent company for
> LinuxMagic and City Email, and provides mail server and anti-spam products,
> as well as hosted and outsourced solutions and custom development.
>
>
> > "LinuxMagic" a Registered TradeMark of Wizard Tower TechnoServices Ltd.
> > ------------------------------------------------------------------------
> > 604-682-0300 Beautiful British Columbia, Canada
> >
> > This email and any electronic data contained are confidential and
> intended
> > solely for the use of the individual or entity to which they are
> addressed.
> > Please note that any views or opinions presented in this email are solely
> > those of the author and are not intended to represent those of the
> company.
> >
> > _______________________________________________
> > mailop mailing list
> > mailop@mailop.org
> > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
>
>
>
> --
> al iverson // wombatmail // miami
> http://www.aliverson.com
> http://www.spamresource.com
> Al Iverson’s Spam Resource <http://www.spamresource.com/>
> www.spamresource.com
> EMAIL, SPAM PREVENTION & DELIVERABILITY • SINCE 2001
>
>
>
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>


-- 
al iverson // wombatmail // miami
http://www.aliverson.com
http://www.spamresource.com
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