t-online has no SPF & DMARC & DKIM settings. but google try to maintain a
reliable sender IP list for them.
if you forward a message which is original from t-online to gmail, if you don't
have SRS enabled for this forwarding, gmail will just reject it.
as far as I know, many ISP level
One way is webmail I may think.
>
> On 01.12.22 10:02, linux...@gmx.net wrote:
>
> >
> > I am using postfix as mail relay which is deployed on gateway for internal
> > users.
> > This relay send mail out only, doesn't accept messages.
> > My question is, do I need to make the relay server
Hello,
We have good delivery capacity to these providers for now,
- Gmail
- Outlook/Hotmail
- Yahoo
- iCloud
- ATT/Currently
- AOL
- GMX/Web.de
- T-Online
- Vodafone
- Mail.de
- Freenet.de
- Free.fr
Thanks for everyone's helps in the past.
If you have found our server has delivery issues to
I was once charter's customer.
But I leave them since charter was bought by Spectrum.
And spectrum blocks all IP from DO and Linode.
Thanks
>
> >
> > "Henry" == Henry R writes:
> >
> > My mailserver once had some issues on sending messages to diffe
The issue has been resolved by getting reply from t-online:
"We will unblock your IP. Please notice that it may take up to 24 hours
until the change shows acute effect. Please excuse any inconveniences,
but we do not see other possibilities to react to the millions of
junkmails we receive at
Thank you Jaroslaw. following your suggestion i am giving another try.
>
> Dnia 30.11.2022 o godz. 02:08:57 Henry R pisze:
>
> >
> > That's so strange policy to permit only commercial company to send messages
> > to them.
> > But there are many small
> Von: owner-postfix-us...@postfix.org Im
> Auftrag von Henry R
> Gesendet: Mittwoch, 30. November 2022 03:09
> An: postfix-users@postfix.org
> Betreff: how to deal with t-online's blocking
>
> Hello,
>
> My mailserver once had some issues on sending messages to dif
mmon that even german datacenter ip-addresses are blocked by t-online,
> but they are usually fast to respond and unblock, given sufficent legal info.
>
> You should qualify for "commercial or similar operator" but you don't tell
> them who you are:
>
> https://openmb
55
> An: postfix-users@postfix.org
> Betreff: Re: how to deal with t-online's blocking
>
> On Wed, Nov 30, 2022 at 02:08:57AM +, Henry R wrote:
>
> >
> > But t-online.de keep blocking me. I have contacted them twice and got the
> > same answer:
> >
Hello,
My mailserver once had some issues on sending messages to different providers.
I have contacted the provders and most of them were kind enough to resolve the
blocking issue. Thanks for them (ATT, GMX, 1and1 etc).
But t-online.de keep blocking me. I have contacted them twice and got the
I have postfix with opendkim and policyd-spf enabled.
when a message incomes they do check SPF and DKIM (for which I can
verify the results in messages header).
I don't know how to configure postfix to take actions on these failed
messages, such as reject them.
Thank you
Jaroslaw Rafa
Hello list,
As a receiver MTA (postfix), if DKIM, SPF or DMARC has got failed to the
sender domain, what action postfix will take for this incoming message?
reject or greylist it?
I have setup the mail system (as this domain openmbox.net) but not sure
about it. thanks.
regards
Henry
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