On 6/26/24 04:24, Jeff Peng via mailop wrote:
On 2024-06-26 15:11, Gellner, Oliver via mailop wrote:
On 26.06.2024 at 00:24 Jeff Pang via mailop wrote:
since aws ses was blocked, other esp such as mailchannel, mailgun,
sendgrid can be blocked also?
That's a good idea, except when you hav
Hi,
On Wed, Jun 26, 2024 at 07:24:23PM +0800, Jeff Peng via mailop wrote:
> My mail server for domain simplemail.co.in has a ptr with the azure domain
> as value:
>
> $ dig mx.simplemail.co.in +short
> 20.120.225.36
>
> $ dig -x 20.120.225.36 +short
> tls-mail.westus2.cloudapp.azure.com.
There
On 2024-06-26 15:11, Gellner, Oliver via mailop wrote:
On 26.06.2024 at 00:24 Jeff Pang via mailop wrote:
since aws ses was blocked, other esp such as mailchannel, mailgun,
sendgrid can be blocked also?
That's a good idea, except when you have to deal with companies like
Everbridge Inc or T
On 26.06.2024 at 00:24 Jeff Pang via mailop wrote:
> since aws ses was blocked, other esp such as mailchannel, mailgun, sendgrid
> can be blocked also?
>> That's a good idea, except when you have to deal with companies like
>> Everbridge Inc or Tencent QQ, which apparently think it's a good ide
since aws ses was blocked, other esp such as mailchannel, mailgun,
sendgrid can be blocked also?
That's a good idea, except when you have to deal with companies like
Everbridge Inc or Tencent QQ, which apparently think it's a good idea to
rent VMs at various cloud providers and run them wit
Which is why of course there should be an exemption list of IPs that are
not configured right, and still need to reach/access/authenticate to
your server, but they are rare and far between, compared to the abuse
volumes.
And REALLY you need to watch those malicious actors who find that the
lo
On 18.06.2024 at 19:45 . Mark Stone via mailop wrote:
> FWIW, we use Fail2Ban to block all AWS EC2 IPs that have an
> "ec2-xxx.compute...amazonaws.com" PTR record, and another Fail2Ban rule to
> block hosts that HELO with "127.0.0.1".
That's a good idea, except when you have to deal with compan
FWIW, we use Fail2Ban to block all AWS EC2 IPs that have an
"ec2-xxx.compute...amazonaws.com" PTR record, and another Fail2Ban rule to
block hosts that HELO with "127.0.0.1".
We ourselves host on AWS successfully (for more than six years now) and have
filed a number of complaints with their sec
