Re: are my helo restrictions too strict ?

Dnia 3.12.2021 o godz. 09:14:23 Fourhundred Thecat pisze: > I have strict helo checks: > > smtpd_helo_required = yes > smtpd_helo_restrictions = reject_non_fqdn_helo_hostname, >reject_invalid_helo_hostname, >

Re: are my helo restrictions too strict ?

On Fri, Dec 03, 2021 at 11:08:52AM +0100, Jaroslaw Rafa wrote: > Dnia 3.12.2021 o godz. 09:14:23 Fourhundred Thecat pisze: > > Hello, > > > > I have strict helo checks: > > > > smtpd_helo_required = yes > > smtpd_helo_restrictions = reject_non_fqdn_helo_hostname, > >

Re: are my helo restrictions too strict ?

> "JR" == Jaroslaw Rafa writes: JR> Dnia 3.12.2021 o godz. 09:14:23 Fourhundred Thecat pisze: >> Hello, >> >> I have strict helo checks: >> >> smtpd_helo_required = yes smtpd_helo_restrictions = >> reject_non_fqdn_helo_hostname, reject_invalid_helo_hostname, >> reject_unknown_helo_hostname

Re: are my helo restrictions too strict ?

Dnia 3.12.2021 o godz. 09:14:23 Fourhundred Thecat pisze: > Hello, > > I have strict helo checks: > > smtpd_helo_required = yes > smtpd_helo_restrictions = reject_non_fqdn_helo_hostname, > reject_invalid_helo_hostname, >

Re: are my helo restrictions too strict ?

resolved at that time. a) Are my settings too strict? b) was there temporary interruption in DNS resolution? looks like that. % host EUR05-VI1-obe.outbound.protection.outlook.com EUR05-VI1-obe.outbound.protection.outlook.com has address 23.103.134.15 EUR05-VI1-obe.outbound.protection.outlook.com

Re: are my helo restrictions too strict ?

Fourhundred Thecat: > Hello, > > I have strict helo checks: > >   smtpd_helo_required = yes >   smtpd_helo_restrictions = reject_non_fqdn_helo_hostname, >     reject_invalid_helo_hostname, >     reject_unknown_helo_hostname Anecdotal: I used to have these exact

are my helo restrictions too strict ?

: Helo command rejected: Host not found warning: hostname mail-eopbgr80085.outbound.protection.outlook.com does not resolve to address 40.107.8.85: Name or service not known full log here: https://paste.ofcode.org/GK7Rnau3etXZmUsV5CbE7L what exactly happened? a) Are my settings too strict? b

Is email address syntax verification in Postfix too strict?

Hi All. Postfix rejects emails to addresses in MAIL FROM/RCPT TO that start with -, for example: -t...@domain.tldmailto:-t...@domain.tld --ot...@domain.tldmailto:--ot...@domain.tld In log we have warning: Illegal address syntax from . in RCPT command. As I understand, it's not

Re: Is email address syntax verification in Postfix too strict?

Hi All. Postfix rejects emails to addresses in MAIL FROM/RCPT TO that start with -, for example: -t...@domain.tldmailto:-t...@domain.tld --ot...@domain.tldmailto:--ot...@domain.tld In log we have warning: Illegal address syntax from . in RCPT command. This is a safety feature that

Re: Too strict?

MacShane, Tracy a écrit : -Original Message- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Alberto Lepe Sent: Monday, 16 March 2009 4:18 PM To: postfix-users@postfix.org Subject: Too strict? Hello, and thank you in advance

Re: Too strict?

Thank you for your answer... You were right, I actually have commented that line (smtpd_client_restrictions) when I did the tests. So, that is why it allowed me. Thank you.. I still have 1 more question, but I will write other mail for that. Cheers... On Mon, Mar 16, 2009 at 2:48 PM, Magnus

RE: Too strict?

-Original Message- From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Alberto Lepe Sent: Monday, 16 March 2009 4:18 PM To: postfix-users@postfix.org Subject: Too strict? Hello, and thank you in advance for your time! I have been

Too strict?

Hello, and thank you in advance for your time! I have been setting up a mail server since more than a week and after reading several posts/articles and some pages of the Postfix manual, I'm a little confused about how to setup the security. The mail server is outside my LAN and it will be used to

Re: Too strict?

On Monday, March 16, 2009 at 06:18 CET, Alberto Lepe d...@alepe.com wrote: [...] I wanted to force the users to authenticate, in order to send mails, with: #smtpd_client_restrictions = permit_sasl_authenticated,reject But for some reason, when I use that line, and I send a mail from