why outlook Mail has no DKIM setup?

2021-09-02 Thread walt
Greetings, It seems my outlook.hu email doesn't setup a DKIM for outgoing messages. The result showed in gmail header: SPF:PASS with IP 40.92.18.14 Learn more DMARC: 'PASS' It has only spf setup, no DKIM. if the message was forwarded by the third party, the DMARC will fail. Can you help

Re: Is postfix the right tool for detecing and stripping out email addresses that forward to the same address?

2021-09-02 Thread Steve Dondley
I'm not sure, but canonical address mapping sounds like what you want: http://www.postfix.org/ADDRESS_REWRITING_README.html#canonical This isn't the same as just delivering an email to an alias address. It actually rewrites envelope and message header addresses. If this does what you want

Re: Is postfix the right tool for detecing and stripping out email addresses that forward to the same address?

2021-09-02 Thread raf
On Thu, Sep 02, 2021 at 01:20:22AM -0400, Steve Dondley wrote: > > Hi, > > > > Postfix isn't the right thing for that. It's a mail > > server, not a mail client. You'll need to investigate > > the documentation for the mail client that you use when > > reading and sending mail. > > > > For exa

Re: Is postfix the right tool for detecing and stripping out email addresses that forward to the same address?

2021-09-02 Thread Steve Dondley
Now my additions. If you are using RoundCube then almost certainly RoundCube is using IMAP/IMAPS to communicate with a back end imapd server. A backend imapd that is most likely Dovecot? This drifts off-topic for Postfix so further discussion should be in a different mail group, probably a

Re: Is postfix the right tool for detecing and stripping out email addresses that forward to the same address?

2021-09-02 Thread Bob Proulx
Steve Dondley wrote: > raf wrote: > > Postfix isn't the right thing for that. It's a mail > > server, not a mail client. Agreed. But adding my comments to this too. > > For example, with mutt, you can give it a list of all Mutt is very good. :-) > > Another alternative that could involve postf

Re: Validating FROM address against users

2021-09-02 Thread Matus UHLAR - fantomas
And thanks for the initial issue of figuring out I had smtpd_reject_unlisted_sender incorrectly set. Im done with this issue. On 09-02-2021 10:24 am, Matus UHLAR - fantomas wrote: incorrectly? Unless you tend to send mail from non-existing addresses, I recommend you setting smtpd_reject_unli

Re: Validating FROM address against users

2021-09-02 Thread postfix
On 09-02-2021 10:24 am, Matus UHLAR - fantomas wrote: And thanks for the initial issue of figuring out I had smtpd_reject_unlisted_sender incorrectly set. Im done with this issue. incorrectly? Unless you tend to send mail from non-existing addresses, I recommend you setting smtpd_reject_unli

Re: Validating FROM address against users

2021-09-02 Thread Matus UHLAR - fantomas
On 26.08.21 15:36, post...@ptld.com wrote: So I watched the sending server more closely in verbose mode and now I see it, I understand. For some reason sendmail is trying to send the same message twice, once with and once without a From: address. I also saw that sendmail ignores the rcpt reject