Revision 6 as of 2020-03-06 18:20:45

Clear message

Contents

  1. Description
  2. Checking
    1. Manual SMTP session

Description

SMTP is the mail backbone on the internet. A lot of stuff has been written.

Checking

Ways to check your mailserver.

Manual SMTP session

You can telnet to your mailserver and send an email by hand. See also https://www.atmail.com/blog/smtp-101-manual-smtp-sessions/ 

telnet smtp.domain.tld 25

HELO sciuro.org
MAIL FROM: test@sciuro.org
RCPT TO: bo.ter.ham@domain.tld
DATA
From: test@example.org
To: Bo Ter Ham <bo.ter.ham@domain.tld>
Subject: Testmail checking SPF
Hi.    

This is a test mail for checking is SPF is properly configured.

Bye!
.