How to Troubleshoot SMTP Errors: Part 2
In part one of How to Troubleshoot SMTP Errors, we reviewed email status codes, internal reasons for email issues, and troubleshooting steps to address those issues. In part two of this series, we will examine some of the external reasons for email issues.
How to Troubleshoot SMTP Errors: Part 1
What is SMTP?
The Simple Mail Transfer Protocol (SMTP) is a communication protocol used to transmit email between corresponding email servers. Using an email client like Mac Mail, Outlook, Thunderbird, or web clients like Gmail or Windows Live, SMTP can send messages to an email server. Although SMTP was initially designed as an email transport and delivery system, it later encompassed the email submission protocols that are now in use by both the Post Office Protocol (POP) and the Internet Message Access Protocol (IMAP). The above-noted email clients use these protocols to retrieve email from an email server. When this system fails, it provides the means to identify and resolve SMTP errors.
How to Set up and Configure tmpmail
What is Tmpmail?
Tmpmail is a utility written in bash that allows a user to create and use a temporary email address for receiving emails from the command-line. Underneath the covers, the bash script uses 1secmail’s API to receive the emails. By default, email addresses are created at random unless a specific email address follows the --generate flag.
A Beginners Guide to Email Protocols: SMTP, POP3, and IMAP
What is SMTP?
When you send an email, your email client and multiple servers on the internet use the Simple Mail Transport Protocol or SMTP to move that message around the internet and ultimately into the recipient’s mailbox.
An Introduction to Firewalld
In some ways, firewalld on systemd systems is easier to manage and configure than iptables. There are, for the most part, no long series of chains, jumps, accepts and denies that you need to memorize to get firewalld up and running in a basic configuration. The rules are simple and straightforward, but there is no reason you cannot still have all the power that iptables afforded.
How to Set Up Email Forwarding in cPanel
II. How to Create an Email Account in cPanel
III. How to Set a Default Address in cPanel
IV. How to Set Up an Autoresponder in cPanel
V. How to Set Up Email Forwarding in cPanel
VI. How to Set Up Email Filters in cPanel
VII. How to Enable Spam Protection in cPanel
VIII. How to Add an MX Entry in cPanel
IX. How to Use Webmail From Within cPanel
X. How to Change Your cPanel Password
XI. How to Update Your Contact Information in cPanel
XII. How to Change Your cPanel Theme
XIII. How to Change the Primary Language in cPanel
XIV. How to Add a Record With the DNS Zone Editor in cPanel
XV. How to Backup Your Website in cPanel
XVI. How to Use the Disk Space Usage Tool in cPanel
XVII. How to Create Additional FTP Accounts in cPanel
XVIII. How to Password Protect a Directory in cPanel
XIX. How to Use the IP Blocker in cPanel
XX. How to Set Up Hotlink Protection in cPanel
XXI. How to Create a Subdomain in cPanel
XXII. How to Create an Addon Domain in cPanel
XXIII. How to Create a Domain Alias in cPanel
XXIV. How to Set Up Domain Redirects in cPanel
XXV. How to Create a MySQL Database in cPanel
XXVI. How to Use the Index Manager in cPanel
XXVII. How to Create Custom Error Pages in cPanel
XXVIII. How to Set Up a Cron Job in cPanel
An email forwarder allows you to send a copy of all emails from one address to another. This feature is handy when you have multiple addresses but only want to check one of them.
How to Setup and Configure EMail Forwarding in cPanel
Forwarding email from one account to another using cPanel is a simple matter, but how you set it up can have a big impact on your server!
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