Re: [mailop] Preferred way to deliver to Microsoft?

2018-08-02 Thread Tom Sommer
On 2018-08-02 19:59, Ken O'Driscoll via mailop wrote: On Thu, 2018-08-02 at 09:43 +0200, Tom Sommer wrote: [snip] Do anyone have some tricks, besides the ones listed on Microsoft's website? Do we need more outbound IPs, to spread the reputation, good and bad? Or? You likely need to improve you

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Brandon Long via mailop
Ah, yes. I'm not sure of the likelihood of spoofing DKIM TXT records to do something useful, but that may also be a Google scale thing (ie, the number and scale of the spoofing you'd have to do to catch all our nameservers over the time of the ttl, or what you'd accomplish at that point (it would

Re: [mailop] Thank you Sara and More FBL Woes (AOL this time)

2018-08-02 Thread Lili Crowley via mailop
pinged you off list Lili Crowley Postmaster at Oath On Thu, Aug 2, 2018 at 4:39 PM, Marc Goldman via mailop wrote: > > First a hearty thank you to Sara Roper for reaching out. Our Return Path > issues are solved. Really appreciate this group. > > On another note - is there someone from AOL/O

[mailop] Thank you Sara and More FBL Woes (AOL this time)

2018-08-02 Thread Marc Goldman via mailop
First a hearty thank you to Sara Roper for reaching out. Our Return Path issues are solved. Really appreciate this group. On another note - is there someone from AOL/OATH here who can contact me off list. We are simply trying to update the FBL email address for a range under our control and E

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Bill Cole
On 2 Aug 2018, at 14:29, Brandon Long via mailop wrote: On Thu, Aug 2, 2018 at 7:44 AM Bill Cole < mailop-20160...@billmail.scconsult.com> wrote: On 2 Aug 2018, at 9:23, Stefano Bagnara wrote: In our case our main DKIM-signature for any email sent by our servers always matches the return-pa

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Brandon Long via mailop
On Thu, Aug 2, 2018 at 7:44 AM Bill Cole < mailop-20160...@billmail.scconsult.com> wrote: > On 2 Aug 2018, at 9:23, Stefano Bagnara wrote: > > > In our case our main DKIM-signature for any email sent by our servers > > always matches the return-path domain, the HELO and the FCrDNS. It > > often do

Re: [mailop] Preferred way to deliver to Microsoft?

2018-08-02 Thread Ken O'Driscoll via mailop
On Thu, 2018-08-02 at 09:43 +0200, Tom Sommer wrote: [snip] > Do anyone have some tricks, besides the ones listed on Microsoft's > website? Do we need more outbound IPs, to spread the reputation, good > and bad? Or? You likely need to improve your reputation, not spread it. If I read correctly,

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Bill Cole
On 2 Aug 2018, at 9:23, Stefano Bagnara wrote: In our case our main DKIM-signature for any email sent by our servers always matches the return-path domain, the HELO and the FCrDNS. It often doesn't match the MIME From, so it doesn't align. When we can do it we add a second signature aligned to t

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Stefano Bagnara
On Thu, 2 Aug 2018 at 14:54, Bill Cole wrote: > What I actually do not understand is why anyone (like BOTH of these > senders) is bothering to DKIM-sign mail in ways that CANNOT align for > DMARC and don't even match any domain in any header other than a > signature. e.g.: Providers are actively

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Bill Cole
On 2 Aug 2018, at 3:15 (-0400), Stefano Bagnara wrote: Hi Bill, you misunderstood the question. No, I was trying to directly kill the theory that is expressed in the Subject of the discussion. Unfortunately, I omitted a critical word to transmit that point (see below.) This isn't a DMARC

Re: [mailop] DKIM headers - which do you sign and why?

2018-08-02 Thread Stefano Bagnara
On Wed, 1 Aug 2018 at 20:56, Brandon Long wrote: > I pinged the bug I filed about not supporting the size limits on rua > addresses that I filed a year ago. > [...] > It looks like this affects about 1% of the reporting addresses we see, and > 0.01% of the mail. Well, I guess some people that t

[mailop] Preferred way to deliver to Microsoft?

2018-08-02 Thread Tom Sommer
Hi We provide SMTP service to thousands of our shared hosting customers through a single IP. This server is only used in mailprograms and not for automated mails, so the rate of legit non-spam mails is really high. We are having problems delivering to Hotmail and Outlook (and noone else). We

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Stefano Bagnara
On Thu, 2 Aug 2018 at 00:45, Laura Atkins wrote: > [...] > I’ve reached the point with Gmail that the filters are reasonably predictable > and can be managed. Even if it doesn’t make sense specifically, I’m pretty > sure the filters are acting “correctly” and that any deviation from what we > e

Re: [mailop] Gmail change DMARC Policy?

2018-08-02 Thread Stefano Bagnara
Hi Bill, you misunderstood the question. Both messages (the first one and the one from Mailchimp) fails DMARC as both are sending with a gmail.com in the From and of course they both fail DMARC. BUT, the one from Mailchimp is not classified as dangerous, while the first one is classified dangerou