[pfx] Re: SASL authentication with colon „:“ in username not possible

Wietse Venema via Postfix-users: > There is a tool that given a JSONschema will generate a parser in > C that populates a C structure, at github.com/badicsalex/json_schema_to_c > (~300 LOC). This depends on github.com/zserge/jsmn (~500 LOC). The > generated parser is much bigger, over 35 kLOC for t

[pfx] Re: Disappointments at https://www.postfix.org/docs.html

DL Neil via Postfix-users: > The "Postfix Howtos and FAQs" is out-dated and requires > correction/editing. To assist the web-master:- Checking links takes timm, so thanks for doing that. I think it is best to drop the page with 'howto' links. The page was created almost a decade before sites like

[pfx] Block based on subject and rcpt to

Hi, Is it possible to discard an email based on the Subject and the destination email address? I try this and not work: /^Subject:.*Test email subject .*To:.*m...@me.com/ DISCARD Any helps? ___ Postfix-users mailing list -- postfix-users@postfix.org To

[pfx] Re: Block based on subject and rcpt to

On 8/14/2023 2:13 PM, SysAdmin EM via Postfix-users wrote: Hi, Is it possible to discard an email based on the Subject and the destination email address? I try this and not work: /^Subject:.*Test email subject .*To:.*m...@me.com/ DISCARD Any helps? You'll need a mil

[pfx] Re: Block based on subject and rcpt to

Hi, Is it possible to discard an email based on the Subject and the destination email address? /^Subject:.*Test email subject .*To:.*m...@me.com/ DISCARD The postfix filters only work on one header at a time. You can not put conditions for multiple headers. As already suggested, a milter wou

[pfx] Re: Block based on subject and rcpt to

On Mon, Aug 14, 2023 at 04:13:54PM -0300, SysAdmin EM via Postfix-users wrote: > Hi, Is it possible to discard an email based on the Subject and the > destination email address? > I try this and not work: > > /^Subject:.*Test email subject .*To:.*m...@me.com/ DISCARD Note that "the destination

[pfx] Re: identifying sender failing ssl/tls cipher (ECDSA server certificate???)

On Sat, Aug 12, 2023 at 12:53:35PM -0400, Viktor Dukhovni wrote: > > Length: 00 00 9c (156) > > ... > > 0x01,0x88 7 ??? > > ... > > 0xC0,0x12 14 ECDHE-RSA-DES-CBC3-SHA Au=RSA > > ... > > 0x00,0x40 22 DHE-DSS-AES128-SHA256 Au=DSS > > ... > > All the ciphersuites offered except one (DSS) are RSA

[pfx] How to block subaddressing from extern with a table

Hi, we need to block subaddressing from extern, and only from extern. Internally we use it really often. We thought about a table that denies recipient addresses that got a "+". But how do we filter only if they do not come from mynetwork and not the authenticated users, but only from users

[pfx] Re: How to block subaddressing from extern with a table

On 8/14/2023 4:04 PM, lutz.niederer--- via Postfix-users wrote: Hi, we need to block subaddressing from extern, and only from extern. Internally we use it really often. We thought about a table that denies recipient addresses that got a "+". But how do we filter only if they do not come fro

[pfx] Troubleshooting mail loop issue

Hi, I have what appears to be a complicated mail loop problem that I can't figure out. I suspect that their receiving system (M365) is somehow reinjecting the message back to our mail server after it's been successfully delivered to them. We are acting as MX for two small companies, and occasional

[pfx] Re: How to block subaddressing from extern with a table

On Mon, Aug 14, 2023 at 11:04:56PM +0200, lutz.niederer--- via Postfix-users wrote: > we need to block subaddressing from extern, and only from extern. > Internally we use it really often. A sensible initial simplification is to not mix inbound and outbound mail on the same Postfix instance. Th

[pfx] Re: How to block subaddressing from extern with a table

Thank you very much. And "yes!!!", I understand you very well. But, we want to make things simple. > Gesendet: Montag, 14. August 2023 um 23:31 Uhr > Von: "Viktor Dukhovni via Postfix-users" > An: postfix-users@postfix.org > Betreff: [pfx] Re: How to block subaddressing from extern with a tabl

[pfx] Re: How to block subaddressing from extern with a table

Ah, still one question. I don't remember exactly where, but I believe that you said it would be better to split into separate instances. Sorry, can't find it anymore. Both instances would work in parallel on the domain socket (unix:...) to dovecot (lmtp authentication & delivery). Do we have

[pfx] Re: How to block subaddressing from extern with a table

On Mon, Aug 14, 2023 at 11:54:16PM +0200, lutz.niede...@gmx.net wrote: > Ah, still one question. I don't remember exactly where, but I believe > that you said it would be better to split into separate instances. > Sorry, can't find it anymore. https://www.postfix.org/MULTI_INSTANCE_README.ht

[pfx] smtp auth on port 25

Hello, I have disabled port 587/465 to be accessed publicly. but port 25 must be open to internet for MTA communications. My question is, can external users access port 25 for smtp auth and send mail then? Thanks. ___ Postfix-users mailing list -- po

[pfx] Postfix Help with a rejection message

I am getting legitimate emails REJECTED by postfix and I need to figure out a way to forward them or whitelist them from getting blocked. I am using PFLogsumm and see this: message reject detail - RCPT 450 4.7.1 : Helo command rejected: Host not found; from=<0