Re: EHLO argument validation

2021-08-10 Thread Mono DHS
Hello, On 2021-08-09, at 16:33 (UTC+0200), Matus UHLAR - fantomas had the following to say: : I don't know where you got that address is not allowed in helo/ehlo - it is. The (current) standard says that it is for EHLO and it is not for HELO [1]. Thanks, Mono [1] https://datatracker.ietf.org

Re: EHLO argument validation

2021-08-09 Thread Matus UHLAR - fantomas
On 2021-08-08, at 16:13 (UTC+0200), Matus UHLAR - fantomas had the following to say: : are you searching for disabling particular strings in helo/ehlo command? On 08.08.21 22:04, Mono DHS wrote: No, I would like to validate the argument to the EHLO command (actually, to both the EHLO and HELO

Re: EHLO argument validation

2021-08-09 Thread Wietse Venema
Mono DHS: > /* > * If the request is type A or , fabricate an MX record that points > * to the domain name itself, and skip name-based access control. > ? > > What is "name-based access control", and how does it differ from > what check_domain_access() does? In the contex

Re: EHLO argument validation

2021-08-09 Thread Mono DHS
Hello, On 2021-08-08, at 10:25 (UTC-0400), Wietse Venema had the following to say: : Mono DHS: : : Checking application/pgp-signature: FAILURE Perhaps hkps://keyserver.ubuntu.com might help. Key servers are the bane of OpenPGP. I don't own/control the domain of the email address I am writin

Re: EHLO argument validation

2021-08-08 Thread Mono DHS
Hello, On 2021-08-08, at 16:13 (UTC+0200), Matus UHLAR - fantomas had the following to say: : are you searching for disabling particular strings in helo/ehlo command? No, I would like to validate the argument to the EHLO command (actually, to both the EHLO and HELO commands, but see below). Th

Re: EHLO argument validation

2021-08-08 Thread Wietse Venema
Mono DHS: Checking application/pgp-signature: FAILURE -- Start of PGP signed section. > Hello all, > > RFC 5321, in section 4.1.1.1, states that a valid argument to the > EHLO command is either a 'Domain' or an 'address-literal'. > > Postfix allows the adminstrator to selectively control access

Re: EHLO argument validation

2021-08-08 Thread Matus UHLAR - fantomas
On 08.08.21 14:28, Mono DHS wrote: RFC 5321, in section 4.1.1.1, states that a valid argument to the EHLO command is either a ⟨Domain⟩ or an ⟨address-literal⟩. Postfix allows the adminstrator to selectively control access to the SMTP server either by ⟨Domain⟩ via the check_helo_access , the ch

EHLO argument validation

2021-08-08 Thread Mono DHS
Hello all, RFC 5321, in section 4.1.1.1, states that a valid argument to the EHLO command is either a ⟨Domain⟩ or an ⟨address-literal⟩. Postfix allows the adminstrator to selectively control access to the SMTP server either by ⟨Domain⟩ via the check_helo_access , the check_helo_mx_access or c