Smtp kali. 220 a42502410059 smtp4dev ready.

$ echo "sample message" | mail -s "sample mail subject" email_address. I enter my personal outlook email. Aug 8, 2019 · Using mail command. Click on “Forwarding and POP/IMAP” c. Check a DNS Server Cached records for A, AAAA and CNAME. com < /dev/null. Some SMTP server take a long time for initial communication (banner and greeting) and then handle subsequent commands quite fast. root@kali:~# man hydra-wizard HYDRA-WIZARD(1) General Commands Manual HYDRA-WIZARD(1) NAME HYDRA-WIZARD - Wizard to use hydra from command line DESCRIPTION This script guide users to use hydra, with a simple wizard that will make the necessary questions to launch hydra from command line a fast and easily 1. Key features. In Gmail Settings, click the POP/IMAP tab, and enable the radio button next to Enable IMAP. MailRipV2 is a SMTP checker / SMTP cracker written in Python 3. Records provided a list of host records in a text file to check. net”: Save the /etc/hosts file, then run the following command and answer “Y” to every prompt: sudo sendmailconfig. $ mail -a /opt/file. Then again Live Boot. You signed in with another tab or window. Oct 4, 2023 · Install WP Mail SMTP. SMTP_SSL (”smtp. 8. org >. When bugs. Dependencies: SMTP Analysis in Kali Linux Port 25 | Mail server enumeration | SpoofingLast Video link Route Analysis (Part-32)https://youtu. example 25 And copy and paste the below. Finally, install postfix: sudo apt install postfix. Mar 19, 2024 · We can use the telnet command to check an SMTP connection. hurl Usage Examples Decode the given base64-encoded string (-b “S2FsaSBMaW51eAo=”) and display the result: root@kali:~# hURL -b "S2FsaSBMaW51eAo=" Original string :: S2FsaSBMaW51eAo= base64 DEcoded string :: Kali Linux Like to snmpwalk, snmpcheck allows you to enumerate the SNMP devices and places the output in a very human readable friendly format. Kali Linux users can install Postfix using the command: sudo apt-get install postfix. [ 2020-12-11 ] smtp-user-enum 1. INetSim is a software suite for simulating common internet services in a lab environment, e. smtp-user-enum -h. Install postfix Using apt. A platform for users to freely express themselves through writing on Zhihu. How to install: sudo apt install snmpcheck. g. com:25. Let’s use telnet to check if an SMTP server is running on port 2525: $ telnet localhost 2525. Using this command, followed by the email user name, will prompt the server to verify whether the user account exits, such as kali-linux; social-engineering; smtp; Share. telnet mail. In the following sections we will Script Arguments. -u SUBJECT. Wizard to use hydra from command line. Keep the LocalIp option as a default. 62 -v Install smtp-user-enum Using aptitude. txt ): Jun 15, 2021 · Send email using Telnet. Escape character is '^]' . Enumerate Hosts and Subdomains using Google. Near the end of the installation process, you will be presented with a window that looks like the one in the image below. 168. Is there a flag or something else I am missing perhaps? smtp-user-enum -M VRFY -U footprinting-wordlist. Enable Detailed Email Logs. Add "DNSPort 53" to your /etc/tor/torrc file. Jun 30, 2015 · I am using SET and it's Mass Mailer. lan 25. As the last thing we defined some gmail folders: Jul 6, 2021 · To do this, go to the Gmail web interface, click the "cog" icon in the upper-right corner, and select See all settings. Allows the enumeration of users: VRFY (confirming the names of valid users) and EXPN (which reveals the actual address of users aliases and lists of e-mail (mailing lists)). txt -t <IP Address> -m 150 -M <mode> The -M parameter can be set to either VRFY, EXPN or RCPT, depending upon what commands the server allows. sudo nano /etc/postfix/main. Enable “Enable IMAP” (Select the radio button) In you code for for connection use “smtplib. 1’, and press ‘OK’. patator Usage Example Do a MySQL brute force attack (mysql_login) with the root user (user=root) and passwords contained in a file (password=FILE0 0=/root/passes. org. In this tutorial, you will install and configure hydra-wizard. It has included dictionaries and lists containing details of common email providers as well as most common ports used for SMTP servers. 1 -x ignore:fgrep SMTPTester is a python3 tool to test SMTP server for 3 common vulnerabilities: Spoofing - The ability to send a mail on behalf of an internal user. Learn how to hack port 25 like a pro and gain access to a system in minutes!This video describes the process of using the Metasploit framework, a penetration Feb 3, 2020 · Hello, I have Kali Linux on VMware and Windows 10 host. -vvv is the verbosity to see the logs while sending the mail. You can change case_id in the config. SMTP requires only that a server can send straight ASCII text to another server, you can do this by connecting to the server on port 25, which is the standard SMTP port. 25 is the SMTP port, most of email server use this port to sending email. Output Alternatively, you can use the echo command to pipe the message you want to send to the mail command as shown below. 1; to verify if a certain user exists on the SMTP server 10. /testssl. txt on smtp. The value of the smtp_pass variable, must be, again, the generated app-specific-password. eg. 1. 174 25. The . After updating apt database, We can install smtp-user-enum using Apr 20, 2010 · In order to do this, we first need to figure out what our email server expects to see from a client. From the given image you can see blue color text refer to a valid email account and the red color text refers to an invalid account. 220 a42502410059 smtp4dev ready. . changes file shown below gives you more information about this. py -m c -id client_a1. The output includes preferred ciphers of the SSL service, the certificate and is in text and XML formats. SendEmail is a Lightweight command line SMTP email client for sending emails through the SMTP server. First, open up the forms by heading to Kali Forms » All Forms. This can be done by connecting via telnet to our SMTP relay host and issuing the correct SMTP commands, as in the following example: [user@host]# telnet smtp. 85 MB. helo client. Update apt database with apt using the following command. testssl. mydomain. 2-1kali3 migrated to kali-rolling ( Raphaël Hertzog ) [ 2020-08-04 ] Accepted smtp-user-enum 1. Installed size: 46 KB. exe -f ADDRESS -u SUJET -m CORPS DU MAIL -s SERVER SMTP [options] Standard: -t ADDRESS [ADDR ] Adresse électronique du destinataire. See the documentation for the smbauth library. There’s a free version of the plugin that’s ideal for creating simple contact forms. Open the terminal or command prompt. Update apt database with aptitude using the following command. Mar 15, 2023 · How to use swaks tool in Kali Linux | SMTP Analysis | Information GatheringLast Video link (Part-33)https://youtu. sudo apt install smtp-user-enum. Direct access to hardware. Make a script to toggle the use of your ISP or local Tor DNS server. Now we need to state from which address this email will be sent. 1; to start a Transport Layer Security (TLS) connection to an email server 10. com’)dn l, defines to use of the SMTP server as SMART HOST to send the mail. Several mail servers (including mine) are configured to drop mails that are being send out with an non-existing DNS entry for the hostname in the EHLO message for spam blocking reasons. Then, we specify that we’ll send with the outlook account using the flag -a. The stunnel program is designed to work as SSL encryption wrapper between remote client and local (inetd-startable) or remote server. sql -s "Backup File" user@example. Dependencies: stunnel4. I selected a different SMTP server, which worked. 88. The default option is Internet Site. True or False - You can perform a scan without using the ping command by executing the following: nmap -sn 192. Follow asked Aug 30, 2016 at 20:38. Dec 16, 2020 · In this video walk-through, we covered the simple network management protocol and how it works. Jun 25, 2022 · SMTP, which stands for Simple Mail Transfer Protocol, is an email protocol used for sending email messages from one email account to another via the internet. The next step is to configure the Postfix with Gmail SMTP by editing the Postfix’s main configuration file. domain Define the domain to be used in the SMTP commands. 3. sudo aptitude update. " at the end which sslyze. bash. 98. vishnuvalentino. Explore advanced techniques for querying DNS records, performing reconnaissance, and gaining insights into network configurations. or smtp-commands. SMTP扫描最主要的作用是发现目标主机上的邮件账号。 通过主动对目标的SMTP(邮件服务器)发动扫描。 我们如果能得到邮箱相关信息,就可以进行社会工程学。 Mar 15, 2021 · TryHackMe: Enumerating and Exploiting SMTP. We need to modify the first line that starts with “127. SMTP defines how to send mail from one host to another; it is also system independent, which means the sender and receiver can have different operating systems. 0. 129. Feb 19, 2022 · To get the answer to this question it is important to select the module smtp_enum using the command ‘use’ and then go through the list of options in this module using the ‘options’ command where we see the word wordlist in the USER_FILE row this indicates that this option is used to set the wordlist. Un-altered host system. Aptitude is not installed on Kali Linux by default, so you need to install aptitude on your Kali Linux. 1; to compromise SMTP open relay server Mar 5, 2022 · Note: sending_server should be the SMTP sending server address, not the receiving server address. Sep 25, 2017 · Type following command to enumerate valid email ID of targeted server: -h <host> The target IP and port (IP:port) -e <file> Enable SMTP user enumeration testing and imports email list. It could be useful for penetration testing or systems monitoring. com. SMTP (Simple Mail Transfer Protocol) is a set of communication guidelines that allow web applications to perform communication tasks over the internet, including emails. be/A73xrvcQlzIKali Linux Playli Feb 28, 2024 · The first line define (`SMART_HOST’,`smtp. Linux SMTP Server; Linux Email Server Components Aug 9, 2021 · smtp login in linux terminal. com 25. Aug 13, 2020 · We then proceeded to set the value to use for smtp_url and smtp_pass. sendEmail. This package is to make installation/upgrading easier (Do NOT delete it) There are three methods to install sendmail on Kali Linux. domain. telnet 192. Installed size: 2. This is an easy question. Subject: smtp-user-enum 1. For our example, we will use “mail. How to install: sudo apt install dnsrecon. . sh ( https://testssl. Use the built-in command macros to send an email from your SMTP server. In case any data is missing, “dnspython Mar 18, 2024 · Let’s now try to send an email using msmtp: $ echo -e "\nSending regards from Terminal. sudo nano /etc/aliases. I found this example on how to log in within a openssl connection. 2-1kali4 (source) into kali-dev ( Sophie Brun ) [ 2020-08-04 ] smtp-user-enum 1. Sujet du message. 127. or. Jun 24, 2021 · In our earlier tutorial we had discussed about SSMTP for sending email through SMTP server via command line. sudo aptitude install swaks. It was designed to be used in bash scripts, Perl programs, and web sites, but it is also quite useful in many other contexts. The configuration file can be accessed using the following command. Then run the following command to install swaks: sudo aptitude update. Therefore, users would be able to send email originating from any third-party email address that they want. We can use apt-get, apt and aptitude. Through the implementation of these SMTP commands can reveal a list of valid users. May 24, 2023 · Email servers are now a must-have for small, medium, and large enterprises. No configuration: Choose this option to keep the default Postfix settings. com, port: 465, response: -1 82 Unable to send email using Gmail SMTP server through PHPMailer, getting error: SMTP AUTH is required for message submission on port 587. Oct 27, 2019 · root@kali:~# enum4linux -a 192. Jul 8, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Computer Science questions and answers. The full content of the file on a default installation of Ubuntu 14. Click on setting (gear icon) b. Therefore, our domain name is localhost. The first one defines the url where to send messages for delivery, in the case of gmail it is smtp://<yourusername>@smtp. From the intro we know that SMTP use port 25. SSLScan is designed to be easy, lean and fast. The next line define (`confAUTH_MECHANISMS’, `EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN’)dnl define the authentication mechanism used by sendmail. org sends out external mail, the following IP sends the email: 208. 209. How to install: sudo apt install sslscan. 1) Use Gmail for your attack. I'm still reasonably new to Kali and so far have been sending phishing emails from SET using gmail but I want to use my own SMTP to try and work with spoofing the sender etc. May 15, 2021 · Kali Linux 2022. sh -t smtp aspmx. gmail. and run the telnet command to connect to the mail server. SSLScan queries SSL services, such as HTTPS, in order to determine the ciphers that are supported. google. SMTP User Enumeration Utility. 04 is shown in this code block: # See man 5 aliases for format. Screenshot by Forward Email. Save your settings. mywebsite. Now that we are connected via telnet to the SMTP server, we can use the SMTP commands listed above to query the server. For testing reasons,I want to lofin to a smtp server from the linux terminal. The recipient’s SMTP server stores the email until the recipient retrieves it. sh/) Its a command line tool which checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more. En este paso, probará si Postfix puede enviar correos electrónicos a una cuenta de correo electrónico externa usando el comando mail, que es parte del paquete mailutils que instaló en el primer paso. stunnel can be used to add SSL functionality to Jul 6, 2024 · Linux SMTP server. The subdomain I'm testing is mail. smbdomain, smbhash, smbnoguest, smbpassword, smbtype, smbusername. SSLyze is a Python tool that can analyze the SSL configuration of a server by connecting to it. Trying 127. Here is an example of Jul 7, 2023 · Learn how to effectively utilize the dig command in Kali Linux for DNS analysis, troubleshooting, enumeration, and security assessment. This is a write up for the Enumerating and Exploiting SMTP tasks of the Network Services 2 room on TryHackMe. iSMTP Usage Example. Sep 28, 2021 · setup smtp relay. Sep 7, 2018 · First, update the package database: sudo apt update. Copy and paste the command below to send an email from your command line. ) $ smtp-user-enum --help usage: smtp-user-enum [options] -u/-U host port smtp-user-enum --help smtp-user-enum --version SMTP user enumeration tool with clever timeout, retry and reconnect functionality. Enter your SMTP server information: server name and port. Its quite comprehensive and major advantage is that you can scan your intranet servers as well. Besides, having your email server Postfix is an open-source email server for Kali Linux. Dec 7, 2016 · Example: smtp://target/TLS:PLAIN smtp-enum. It is designed to be fast and comprehensive, and should help organizations and testers identify misconfigurations affecting their SSL servers. Mar 28, 2013 · Sur la version gnome de Kali Linux, senEmail est préinstallé, pour la version mini il suffit de faire cette commande. 1), ignoring the specified string (-x ignore:fgrep=’Access denied for user’): root@kali:~# patator mysql_login user=root password=FILE0 0=/root/passes. In our case, we run a local SMTP server. Use the HELO command to tell the mail server which domain you are coming from: HELO linuxconfig. Installed size: 4. inetsim. Manual mode. py and run it again, or you can use -id option in the command line: python3 espoofer. Every article I read when I search for how to setup a smtp relay all seem to include the need to create a home domain. The general syntax for the smtp-user-enum command is: bash. sh. To grant access to your computer only, press ‘Add’, type ‘127. User files contains only Unix usernames so it skips the This package supports REGEX, DB, NIS, NIS+, LDAP, DNS maps, and has enabled TCPWrappers, IPv6, LockFile, SMTP AUTH(SASL), STARTTLS(SSL). Dec 11, 2020 · To: Kali Package Tracker < dispatch@pkg. Improve this question. 2-1kali4 migrated to kali-rolling ( Sophie Brun ) [ 2020-12-11 ] Accepted smtp-user-enum 1. postmaster: root. Customized Kali kernel. The Simple Mail Transfer Protocol (SMTP) is a protocol utilized within the TCP/IP suite for the sending and receiving of e-mail. txt -t 10. txt) enumerating usernames from a dictionary file ( -e /usr/share/wordlists/metasploit/unix_users. But I want a single command to login the smtp server and not an interactive dialog, where I have to type additional commands. Performance decrease when heavy I/O. Vulnerability Assessment Menu Toggle. (I do not want to use this, as it is only available when directly connected to my ISP. sudo apt update. Also, we can add comma separated emails to send the email to multiple recipients together. Aug 15, 2022 · Setting up Linux mail server and SMTP (Simple Mail Transfer Protocol) is essential if you want to use email, so we’re going to look at how we can install and configure mail server along with some other email-related protocols, like Post Office Protocol and Internet Message Access Protocol . My question is, should I use port 25 for the mail? I did a scan with Metasploit Pro and found only 2 services "https 443" and "ident 113 Mar 25, 2013 · A simple way to do the following: 1. Due to its limitations in queuing messages at the recipient's end, SMTP is often employed alongside either POP3 or IMAP . Kali Forms creates a default contact form for you when you activate it. Additionally we covered to enumerate and perform vulnerabili Perform a PTR Record lookup for a given IP Range or CIDR. First, telnet to your mail server: $ telnet mail. 1 localhost” to include the FQDN (fully qualified domain name) or our mail server. py -m c Sep 20, 2019 · Case 1: Send Mail Directly From The Command Line. Postfix is a mail transfer agent (MAT), an application used to send and receive email. After a successful install, you can run the smtp-user-enum -h command to view all the available options. This tutorial makes this process much easier using the sendemail command-line utility. salt salt. The concept is that having non-SSL aware daemons running on your system you can easily setup them to communicate with clients over secure SSL channel. Oct 18, 2019 · SMTPTester is a python3 tool to test SMTP server for 3 common vulnerabilities: Spoofing – The ability to send a mail on behalf of an internal user. smtp. Then there’s a pro version that unlocks a bunch of powerful features which include: Stripe integration for creation of order forms. Sep 16, 2022 · SMTP Enumeration. May 31, 2018 · Enable IMAP a. If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. User Enumeration – using the SMTP VRFY command to check if specific username and\or email address You can perform SMTP spoofing, SMTP relaying, and SMTP enumeration (via RCPT TO and/or VRFY) all with one line. ==Usage==. Your Kali, always with you, without altering the host OS, plus allows you to benefit from hardware access. 259 2 2 silver badges 11 11 bronze badges. 1: Sep 24, 2019 · Select Actions in the left-hand corner of the tool and click Connect. 4. Top 20 Microsoft Azure Vulnerabilities and Misconfigurations; CMS Vulnerability Scanners for WordPress, Joomla, Drupal, Moodle, Typo3. Click Connect. Next, install mailtuils: sudo apt install mailutils. Ease of installation: It works for Linux, Darwin, FreeBSD and MSYS2/Cygwin 2. First, lets run a port scan against the target machine, same as last time. It is a part of the TCP/IP protocol and works on moving emails across the network. com 25 Trying 192. be/Bje--6-dPhcKali Linux Playlist linkhttp Jan 3, 2024 · Kali Forms is a WordPress form plugin designed to make building forms hassle-free. txt host=127. You signed out in another tab or window. 3 released: test lab and new tools added Source: Ethical hacking and penetration testing Published on 2022-08-10 The complete guide to Wine: from installation to advanced usage Jul 16, 2019 · Could not connect to SMTP host: smtp. (Presumably because this account does not have 2-factor authentication. 160. mymailserver. Mar 20, 2023 · How to Configure Postfix with Gmail SMTP in Kali Linux. cf. The above step completes the Postfix installation process. example mail from:<[email protected]> rcpt to:<[email protected]> data From: [email protected] Subject: test mail from command line this is test number 1 sent from linux box . txt) against the given host (host=127. 0/24 True False. Nmap is used to discover hosts and services on a computer network by sending packets Jan 23, 2015 · To configure Postfix so that system-generated emails will be sent to your email address, you need to edit the /etc/aliases file. Aug 3, 2022 · Next, type the message or the body of the Email and hit ENTER. Mar 21, 2015 · Step 3: Manually Try Email Addresses. user enumeration - using the SMTP VRFY command to check if specific username and\or email address exist Oct 22, 2014 · news. The IP does EHLO with smtp. Email protocols are sets of rules that let different email clients and accounts easily exchange information, and SMTP is one of the most common ones alongside POP and IMAP. Step 2: Test relaying. 5. POP3/IMAP for Retrieval: Oct 9, 2023 · What is the purpose of using the smtp-user-enum -M VRFY -u snp -t 10. Sep 7, 2020 · sudo vim /etc/hosts. After installing the Postfix packages, a configuration window will appear with the following options: 1. How to install: sudo apt install sslyze. $ mail -s "Test Subject" user@example. new version: An overview of the "smtp_enum" and "smtp_version" Scanner SMTP Auxiliary Modules of the Metasploit Framework. 1). l. External spoof test requires an SMTP server to relay through. for analyzing the network behaviour of unknown malware samples. 09 MB. Not smtp. So telnet to your SMTP server like. I'm trying bruteforcing with rockyou. Jan 1, 2024 · Use the command below to install smtp-user-enum on Kali Linux. py -m c. Also, you can use aptitude to install swaks. Visit Website. 1 Connected to localhost. Also, you can send an attachment with this command. 129 比如,可以扫描出是否可以建立空连接? 二、SMTP扫描工具. 65 MB. The smtp-user-enum tool, built into Kali Linux, can be used to automate username enumeration via SMTP: smtp-user-enum -U /path/to/usernames. Apr 3, 2024 · Postfix Installation & Configuration. Para enviar un correo electrónico de prueba, ejecute el siguiente comando: Note: sending_server should be the SMTP sending server address, not the receiving server address. The official description from its website says, " It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. 2. ) I tried setting an Application Specific password, and got the response"The setting you are looking for is not available for your account". Check Your Kali Forms Settings. Which of the following tools belong to the SMTP Analysis category in Kali Linux? nbtscan enum4linux swaks smbmap 2. sh is a free command line tool which checks a server’s service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more. After updating apt database, We can install postfix using apt by running the following command: sudo apt -y install postfix. An SMTP server that works as an open relay, is a email server that does not verify if the user is authorised to send email from the specified email address. Clear output: you can tell easily whether anything is good or bad. The checks are done based in combinations of MAIL FROM and RCPT TO commands. Some tasks have been omitted as they do not require an answer. May 19, 2020 · Paso 3: Probar el servidor SMTP. Relay - Using this SMTP server to send email to other address outside of the organization. kali. apt-get install sendemail. quit Note : Do not forgot the ". Using the “smtplib”, it allows you to check common mailpass combolists for valid SMTP logins. 1 Connected to smtp. " | msmtp -a outlook [email protected] In the command above, we pipe the output of the email body to the msmtp command. To do this run the following command: sudo apt install aptitude. Date: Fri, 11 Dec 2020 12:04:56 +0000 (UTC) The package smtp-user-enum 1. telnet smtp. setoolkit 1) Social Engineering Attack 5) Mass Mailer 1) email single email address. SendEmail is a lightweight, completely command line based, SMTP email agent. You switched accounts on another tab or window. They enable easy and efficient traffic control. 1 command in Kali Linux? to initiate an SMTP conversation with an email server 10. ). 163. Now Gmail is configured to give you access to your email outside a web browser. Jan 26, 2024 · Choose the ‘Relay’ button in the Access tab to modify the relay settings of your SMTP server; The next step is to choose the IP addresses that will be allowed to relay through this SMTP server. Relay – Using this SMTP server to send email to other address outside of the organization. com”). Jan 7, 2022 · I was able to get this pretty quickly with metasploit, however when running the same wordlist with smtp-user-enum I can’t seem to get the same results. and remove starttls () (incase if you are using) Code for your ref: Hope this helps. I enter my Gmail address, the from name, my gmail password, flag this message (tried yes and no), email subject, send the message as "html" (never tried plain Jan 11, 2024 · The SMTP server communicates with the recipient’s SMTP server to transmit the email. Use -a for mailx and -A for mailutils. Most importantly, we want to use the VRFY (verify) command. echo "Test message from Linux server using ssmtp" | sudo ssmtp -vvv revceivers-email@gmail. Scroll down to the end of the configuration file to modify the following options. 2-1kali3 (source) into kali-dev In this video, I demonstrate how to perform SMTP Enumeration with Nmap. Please feel free to submit PR for bugfixes or enhancements - any feedback, input, or improvement is greatly appreciated! Script tested on Kali Linux as well as OSX and should function on UNIX-based systems with required dependencies. Module smtp-enum is optionally taking one SMTP command of: VRFY (default), EXPN, RCPT (which will connect using "root" account) login parameter is used as username and password parameter as the domain name For example to test if john@localhost exists on 192. This sets Tor to listen for DNS queries on the standard port on your local machine and tye "service tor restart". 2-1kali4 migrated to kali-rolling. Quick and easy access to a full Kali install. Test a list of IPs from a file ( -f smtp-ips. Finally, Press Ctrl + D simultaneously to send the Email. It’s definitely a good idea to check the settings for this form if you’re going to be using it. Reload to refresh your session. com (192. sjno. , spoofing and relay, spoofing and enum, enum and relay, etc. SMTP enumeration allows us to identify valid users on the SMTP server. Run the tool to send a spoofing email; python3 espoofer. You can do all of the tests at once, or you can only conduct a specific combination (e. Follow the step by step instructions below to send an email on Linux using Telnet. zm jt eq kf iv hn ax bq vh da