Is it possible to have nullmailer resolve recipient’s MX servers like sendmail does?

I installed nullmailer on a Debian 10 VPS. [email protected]:~# cat /etc/nullmailer/remotes hotmail-com.olc.protection.outlook.com echo “Subject: test” | sendmail -v [email protected] works, I receive the e-mail. echo “Subject: test” | sendmail -v [email protected] doesn’t work, saying: smtp: Failed: 550 5.5.0 Requested action not taken: mailbox unavailable. [DM6NAM12FT063.eop-nam12.prod.protection.outlook.com] As far as I understand, for example.com to work, I…

Azure AD Domain Services and LDAPS on a Sonicwall SMA appliance

I want to use LDAP authentication for SSL-VPN on a Sonicwall SMA\SRA unit. Endusers will then use their Azure AD username and password when connection to VPN. Have enabled LDAPS with public CA wildcard certificate and opened port 636 for the WAN of the appliance. Used the guide here : https://www.sonicwall.com/support/knowledge-base/configuring-active-directory-ldap-over-tls-certificate/170505251062387/ to setup LDAPS on…

Communication problems on the same network

Good morning, I have four mikrotiks in a network, the network topology is below: https://i.ibb.co/w0yKz0Z/089e9c3b-f51f-4e79-bf64-d2d4d448e1cb.jpg In Switch Campo the “Clientes” interface has the following network that is dynamically assigned by a VLAN from 802.1x, 10.6.16.0/20, this vlan is created on the Edge Campo router, and this router has an Edge EOIP VPN Tondela, on Tondela…

Nginx rewrite issue with question mark in between URL

I need to forward URL https://www.example.com/change/candidate/run/registration/?action=preregister to https://www.example.com/change/contact/us/ and for this I have defined this redirect rule as follows # Redirects to handle all of the URL patterns from the old site rewrite ^/lang/candidate/run/registration/?action=preregister$ https://www.example.com/change/contact/us/ permanent; but due to question mark in between it is not working.

Mac OS Mojave: Request SMB connection to be encrypted

I connect to a SMB share from a Mac client (Mac OS Mojave, Finder->Go->”Connect to Server…”). When setting “smb encrypt = mandatory” on the server, the connection is encrypted (Wireshark: Info: Encrypted SMB3). However, when setting “smb encrypt = auto” on the server (encryption offered but not enforced), the connection is not encrypted. Apparently, the…