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Diffstat (limited to 'content/mail/smtp.md')
| -rw-r--r-- | content/mail/smtp.md | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/content/mail/smtp.md b/content/mail/smtp.md index 6ce92f2..2039907 100644 --- a/content/mail/smtp.md +++ b/content/mail/smtp.md @@ -1,7 +1,9 @@ --- -title: "Setting up a Postfix SMTP server" -draft: true +title: "Sending and Receiving Email" +tags: ['mail'] +weight: 6 --- + The first step to setting up an email server is having an SMTP server. SMTP sends and receives email. Whether we want a full email server or just the ability to send automated email by script, we will need SMTP, @@ -20,10 +22,13 @@ ports by default**. VPS providers do this to prevent spammers from using their services. If you want to start an email server, therefore, go to your VPS\'s site -and open a ticket or make a request to open up email ports. This is a +and open a ticket or make a request to open up email ports, notably port `25`. This is a simple process that requires nothing too special. One of the wagies at your VPS will kindly do the needful and open your ports for you. Note -that this is not the same as unblocking a port with [ufw](ufw.html). +that this is not the same as unblocking a port with [ufw](ufw.html), +which still needs to be done for SMTP to work. + + ufw allow 25,587 proto tcp ## Installation @@ -35,13 +40,13 @@ mail programs we will use. Installing Postfix for the first time will give us some graphical options. - +{{< img alt="SMTP Postfix internet site choice" src="/pix/smtp-01.png" link="/pix/smtp-01.png" >}} When asked for a \"mail name\", give your full domain name from which -you would like mail to come and go, e.g. [example.org]{.dfn} or -[landchad.net]{.dfn}. +you would like mail to come and go, e.g. **example.org** or +**landchad.net** - +{{< img alt="SMTP Postfix fully qualified domain name" src="/pix/smtp-02.png" link="/pix/smtp-02.png" >}} ## Test the email @@ -53,7 +58,7 @@ command like that below. This is the text." | mail -s "Email from the server" your@emailaddress.com -And that is simply enough the command your server can run to send mail. +This type of command is sufficient enough for your server to send mail. Note that we use the `-s` option to specify the email\'s subject while we pipe the email content into the `mail` command via standard input. In this example I use a quoted multiline email as an example. @@ -65,6 +70,5 @@ major email provider, there is **very high** chance of the message you sent above being marked as spam or not appearing at all! Don\'t worry, we\'ll take care of that in the next two articles where we -set up rDNS and OpenDKIM to validate the emails you send. - -[[Next: rDNS and PTR Records](rdns.html)]{.next} +set up rDNS with your VPS provider and various other DNS +records to validate the emails you send. |