Re: [mailop] Effeciveness (or not) of SPF

2020-12-08 Thread Paul Waring via mailop
On Mon, Dec 07, 2020 at 03:21:45PM -0600, Scott Mutter via mailop wrote: > Forwarders are one of the things that don't respond well to SPF.  But > honestly, > it's 2020 ... why are we forwarding mail to external services?  SRS might be a > bandaid for this, but isn't the easiest solution to just t

Re: [mailop] Effeciveness (or not) of SPF

2020-12-06 Thread Paul Waring via mailop
On Sun, Dec 06, 2020 at 02:12:25PM +0100, Hans-Martin Mosner via mailop wrote: > In your experience, where does SPF really help? What are the use cases that I > don't see in my spam-blocker tunnel vision? In my experience: 1. You must have an SPF record in order for the big mail providers to eve

Re: [mailop] New server email being treated as spam by Google

2020-11-21 Thread Paul Waring via mailop
On Sat, Nov 21, 2020 at 08:35:26AM -0500, Jim Popovitch via mailop wrote: > > We don't know all domains that sue Google MXs, we don't know all MXs > > Google uses and they might change. Do we know Google's IPv6 addresses? > > Do those change? > > It's done by destination domain, not IP address. A

Re: [mailop] New server email being treated as spam by Google

2020-11-20 Thread Paul Waring via mailop
On Thu, Nov 19, 2020 at 01:58:38PM +, Stuart Henderson via mailop wrote: > If you're sending into them over v6 I would disable that too, > most of the common open source MTAs have a feature to prevent sending > over v6 exactly because of gmail. That is my final option if all else fails. I don'

Re: [mailop] New server email being treated as spam by Google

2020-11-19 Thread Paul Waring via mailop
On Thu, Nov 19, 2020 at 01:47:57PM +, Chris Woods wrote: > On Thu, 19 Nov 2020 at 13:29, Chris Woods < > christopherwoods+list-mai...@gmail.com> wrote: > > Correct the PTR, it's currently "romana.vs.mythic-beasts.com".  > > > Unless it's out of preference you're leaving it like that

Re: [mailop] New server email being treated as spam by Google

2020-11-19 Thread Paul Waring via mailop
On Thu, Nov 19, 2020 at 01:29:48PM +, Chris Woods wrote: > I dropped the TTL on the MX, SPF, DKIM and DMARC records to 300 about 36 > hours before starting the migration, and published the new DKIM key as > well. I left the records at 300 for about 72 hours after the migration >

Re: [mailop] New server email being treated as spam by Google

2020-11-19 Thread Paul Waring via mailop
On Thu, Nov 19, 2020 at 11:37:35AM +, Rob Kendrick via mailop wrote: > On Thu, Nov 19, 2020 at 11:21:19AM +0000, Paul Waring via mailop wrote: > > Before I change any more settings, I was wondering if there was a time > > period during which Google treats a new server that

[mailop] New server email being treated as spam by Google

2020-11-19 Thread Paul Waring via mailop
In the last week or so, I migrated my xk7.net email from one self-hosted server to another. Both servers were setup in a similar way and adhered to all the email best practice guidelines I could find (DKIM, SPF and DMARC all pass, the server isn't on any public blocklists, and there are no mailing