Re: [Mailman-Users] DKIM best practise

2015-06-22 Thread Mark Sapiro
On 06/21/2015 08:58 PM, Stephen J. Turnbull wrote: > Yasir Assam writes: > > > I noticed that this list, mailman-users@python.org, doesn't add a > > DKIM header unless the list itself generates the email, i.e. the > > email you sent to this list only has your DKIM header > > (d=msapiro.net), w

Re: [Mailman-Users] DKIM best practise

2015-06-21 Thread Yasir Assam
On 22/06/2015 1:58 PM, Stephen J. Turnbull wrote: > As Mark already said, according to the standards it is correct and > good practice to add a DKIM signature to every message you process > outside of the MTA and then reinject into the Internet mail system. > In more friendly terms, if you simply

Re: [Mailman-Users] DKIM best practise

2015-06-21 Thread Stephen J. Turnbull
Yasir Assam writes: > I noticed that this list, mailman-users@python.org, doesn't add a > DKIM header unless the list itself generates the email, i.e. the > email you sent to this list only has your DKIM header > (d=msapiro.net), whereas the original welcome email has DKIM with > d=python.org

Re: [Mailman-Users] DKIM best practise

2015-06-21 Thread Yasir Assam
Thanks Mark. What you describe below makes sense, and I agree hotmail is behaving badly, but I'm stuck with its bad behaviour. In any case, if From Munging is not good to do generally then I have to figure out another way placate Yahoo's spam filter. Yasir On 22/06/2015 12:33 PM, Mark Sapiro wr

Re: [Mailman-Users] DKIM best practise

2015-06-21 Thread Yasir Assam
Many thanks for your response Mark. Comments below. On 22/06/2015 1:46 AM, Mark Sapiro wrote: > On 06/20/2015 06:39 PM, Yasir Assam wrote: >> I'm using mailman 2.1.18 on Debian Jessie with exim4. I have full >> personlisation and verp turned on. >> >> What should I do about DKIM? >> >> At the mom

Re: [Mailman-Users] DKIM best practise

2015-06-21 Thread Mark Sapiro
On 06/20/2015 06:39 PM, Yasir Assam wrote: > Is there any way I can get hotmail to reply to the list when the From: > header is munged? Is munging considered bad form (when not mitigating > DMARC reject policies)? It may not have been clear from my earlier reply, but yes, From Munging is consider

Re: [Mailman-Users] DKIM best practise

2015-06-21 Thread Mark Sapiro
On 06/20/2015 06:39 PM, Yasir Assam wrote: > > I'm using mailman 2.1.18 on Debian Jessie with exim4. I have full > personlisation and verp turned on. > > What should I do about DKIM? > > At the moment I preserve the original poster's DKIM header and my list's > MTA also adds DKIM to all outgoing

[Mailman-Users] DKIM best practise

2015-06-21 Thread Yasir Assam
I have a list which all subscribers can post to. I'm using mailman 2.1.18 on Debian Jessie with exim4. I have full personlisation and verp turned on. What should I do about DKIM? At the moment I preserve the original poster's DKIM header and my list's MTA also adds DKIM to all outgoing mail. If