On 2021-01-31 13:05, Matus UHLAR - fantomas wrote:
SPF
basicly REJECT envelope sender if its local domain
and only on port 25, not elsewhere
DKIM
DMARC
but not with DKIM, DMARC
On 30.01.21 14:30, Kenneth Porter wrote:
What do others do about backscatter to their role addresses? It seems
spammers have recently discovered the role addresses noc, hostmaster,
and webmaster for one of my business domains and are forging them as
senders. As a result, I'm seeing lots of back
On Sat, 30 Jan 2021, RW wrote:
On Sat, 30 Jan 2021 14:41:42 -0800 (PST) John Hardin wrote:
I'd also like to know how to submit these MTAs for inclusion in one
of the Spamhaus DNSBLs.
I don't think there's an existing Spamhaus list that's relevant.
SBL has listed open relays in the past (ci
On Sat, 30 Jan 2021 14:41:42 -0800 (PST)
John Hardin wrote:
> I'd also like to know how to submit these MTAs for inclusion in one
> of the Spamhaus DNSBLs.
I don't think there's an existing Spamhaus list that's relevant.
I used to use ips.backscatterer.org for this, but for some reason
I comm
On Sat, 30 Jan 2021, Kenneth Porter wrote:
What do others do about backscatter to their role addresses? It seems
spammers have recently discovered the role addresses noc, hostmaster, and
webmaster for one of my business domains and are forging them as senders. As
a result, I'm seeing lots of b
What do others do about backscatter to their role addresses? It seems
spammers have recently discovered the role addresses noc, hostmaster, and
webmaster for one of my business domains and are forging them as senders.
As a result, I'm seeing lots of backscatter from various spam-detectors.
(Thi
