On 2/23/2020 11:30 PM, Mohamed Lrhazi wrote:
>
> My question still was: Suppose I comply with all the
> recommendations and best practices in composing my SPF records... Do I
> still need to worry about the number of IP addresses (v4/v6/ciders)
> that I put in each record?
Yes. In the anti-spam
On February 24, 2020 8:47:49 AM UTC, Viktor Dukhovni
wrote:
>>
>> On Feb 24, 2020, at 2:27 AM, Michael wrote:
>>
>> Feb 22 08:50:07 mail postfix/smtpd[12952]: connect from
>bendel.debian.org[82.195.75.100]
>> Feb 22 08:50:07 mail postfix/smtpd[12952]: setting up TLS connection
>from
i forgot:
On Monday, February 24, 2020 9:47:49 AM CET, Viktor Dukhovni wrote:
Were TLS sessions failing from all senders or just particular systems?
it seemes to me, that all tls sessions failed, since no mail was delivered
at all after the switch.
greetings...
hey,
On Monday, February 24, 2020 9:47:49 AM CET, Viktor Dukhovni wrote:
This looks like a client (or firewall, etc. in between) that does not
correctly support TLS 1.3. What's new on your system is not Postfix 3.4,
but a sufficiently recent version of OpenSSL that has TLS 1.3 support.
i
>
> On Feb 24, 2020, at 2:27 AM, Michael wrote:
>
> Feb 22 08:50:07 mail postfix/smtpd[12952]: connect from
> bendel.debian.org[82.195.75.100]
> Feb 22 08:50:07 mail postfix/smtpd[12952]: setting up TLS connection from
> bendel.debian.org[82.195.75.100]
> Feb 22 08:50:07 mail
