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What Is SMTP Port Number (25, 587, 465, 2525)?

What Is SMTP Port Number (25, 587, 465, 2525)?

SMTP or Simple Mail Transfer Protocol is used to transmit emails between clients, receivers, and email servers. SMTP service generally provided via different ports for network communication and transmission. IMAP and POP3 are other protocols used for email transmission but they are mainly used by email clients where SMTP is used for email servers. In … Read more

How To Use Sendmail Command On Linux Tutorial with Examples?

sendmail is a mail transfer agent (MTA) used to send emails between computer systems by using simple mail transfer protocol (SMTP) . Sendmail project can be accessed from <a href=”http://www.sendmail.org”>www.sendmail.org</a> <h1>Install On Ubuntu, Debian, Mint, Kali</h1>sendmail  tool is provided by different packages on Ubuntu, Debian,Mint, Kali ordebbased distributions. In this case, we will install the package namedpostfix. … Read more

Linux mail and mailx Commands Tutorial With Examples and Send Email From Command Line

Linux has a lot of tools, services, and applications related to email. An email has a different architecture than standard client-server. We will look at a command-line based mailing application named mailx. mailx more advanced version of the mail tool. mailx command supports the MIME, IMAP, POP3, SMTP, and S/MIME protocols and based Berkeley Mail 8.1 mail … Read more