[Mailman-Users] disable DMARC_ORGANIZATIONAL_DOMAIN_DATA_URL in mailman 2.1

Mark Sapiro mark at msapiro.net
Fri May 6 17:49:30 EDT 2016

On 05/05/2016 02:39 PM, Curtis Villamizar wrote:
> In message <572AA1F6.8090807 at msapiro.net>
> Mark Sapiro writes:
>> As for as why it's a 554: 5.7.1 hard fail, That's the status your MTA is
>> giving to this condition. If you think this should be a 4xx status, you
>> may be able to configure that in your MTA.
> I think this might have been due to a connect to port 25 rather than
> running sendmail.  Connect to port 25 would only work if using TLS
> (after STARTTLS) and then passing SASL auth.  This host acts as an MDA
> and as a MSA for mailman using a dual-stack "smarthost" relay but not
> as an MX/MTA (MX points to two DS MTA and the MTA relays to it).
> If that is the case it was a config problem in mailman.  I'm still
> working on backing up and restoring a complete mailman config.  (That
> could be another topic).

I would strongly suggest you not use


If you need TLS and SASL, use


in conjunction with the patch at

I have now (finally) applied a version of this patch at

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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