Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-05 Thread Alessandro Vesely
On Wed 03/Oct/2018 21:38:24 +0200 Brandon Long via mailop wrote: > On Wed, Oct 3, 2018 at 2:17 AM Alessandro Vesely wrote: >> On Mon 01/Oct/2018 11:23:15 +0200 Benoit Panizzon wrote: >>> >>> * Keep cache history from which IP an SMTP Authentication occurred. >> >> >> I'm curious about this

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-03 Thread Brandon Long via mailop
On Wed, Oct 3, 2018 at 2:17 AM Alessandro Vesely wrote: > On Mon 01/Oct/2018 11:23:15 +0200 Benoit Panizzon wrote: > > > > * Keep cache history from which IP an SMTP Authentication occurred. > > > I'm curious about this technique. Currently I block by IP and whitelist by > domain, so I must be

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-03 Thread Michael Wise via mailop
rting Tool ? -Original Message- From: mailop On Behalf Of Alessandro Vesely Sent: Wednesday, October 3, 2018 2:17 AM To: mailop ; Benoit Panizzon Cc: Brandon Long ; Michael Peddemors Subject: Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-03 Thread Alessandro Vesely
On Mon 01/Oct/2018 11:23:15 +0200 Benoit Panizzon wrote: > > * Keep cache history from which IP an SMTP Authentication occurred. I'm curious about this technique. Currently I block by IP and whitelist by domain, so I must be missing something in between :-) How long does that cache last? At

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread John Levine
In article <28c04515-a3e2-94bc-9ed2-6505ee089...@linuxmagic.com> you write: >With all respect, if someone advertises an SPF -all we SHOULD be >honouring this.. This was the senders wishes.. Like Brandon said, if it's a plain -all meaning no mail at all, sure. Otherwise, sorry pal, you don't get

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Brandon Long via mailop
On Mon, Oct 1, 2018 at 5:09 PM Michael Peddemors wrote: > On 18-10-01 04:48 PM, Brandon Long via mailop wrote: > > Mail servers that believe SPF policies and reject messages because of it > > are really kidding themselves. > > > > This could start a whole thread on it's own.. > There have been

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Brandon Long via mailop
On Mon, Oct 1, 2018 at 4:39 PM Michael Peddemors wrote: > On 18-10-01 03:52 PM, Grant Taylor via mailop wrote: > > On 10/01/2018 03:00 PM, Brandon Long via mailop wrote: > >> We've typically recommended forwarders to not rewrite the envelope > >> sender when forwarding for this reason, but that

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Michael Peddemors
On 18-10-01 04:48 PM, Brandon Long via mailop wrote: Mail servers that believe SPF policies and reject messages because of it are really kidding themselves. This could start a whole thread on it's own.. With all respect, if someone advertises an SPF -all we SHOULD be honouring this.. This

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Brandon Long via mailop
On Mon, Oct 1, 2018 at 4:02 PM Grant Taylor via mailop wrote: > On 10/01/2018 03:00 PM, Brandon Long via mailop wrote: > > We've typically recommended forwarders to not rewrite the envelope > > sender when forwarding for this reason, but that was mostly pointed > > at tech folks running their

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Michael Peddemors
On 18-10-01 03:52 PM, Grant Taylor via mailop wrote: On 10/01/2018 03:00 PM, Brandon Long via mailop wrote: We've typically recommended forwarders to not rewrite the envelope sender when forwarding for this reason, but that was mostly pointed at tech folks running their own servers (this page

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Grant Taylor via mailop
On 10/01/2018 03:00 PM, Brandon Long via mailop wrote: We've typically recommended forwarders to not rewrite the envelope sender when forwarding for this reason, but that was mostly pointed at tech folks running their own servers (this page has a section for procmail

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Brandon Long via mailop
On Mon, Oct 1, 2018 at 2:35 AM Benoit Panizzon wrote: > Hi List > > Well thank you for all the hints. I also (thanks to Al) found out, that > you need to set the browser language to english, to get to the propper > help page where the delisting request form can be found. With german, > you're

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Rob McEwen
Sounds like you're doing MUCH correctly. Here is another suggestion: Start limiting the ability of your end users to set up forwarders for email accounts forwarding to freemail addresses. For starters, I especially highly recommend not allowing anyone to auto-forward their mail to ANY

Re: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Benjamin BILLON
, 2018 11:23 Cc: mailop@mailop.org Subject: [mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list") Hi List Well thank you for all the hints. I also (thanks to Al) found out, that you need to set the browser language to engli

[mailop] How to find 'low flying' spamers? (Re: outlook.com blocking reason: S3150 "network is on our block list")

2018-10-01 Thread Benoit Panizzon
Hi List Well thank you for all the hints. I also (thanks to Al) found out, that you need to set the browser language to english, to get to the propper help page where the delisting request form can be found. With german, you're lost :-) But I would like to use that topic on a discussion about