Reading Time: 10 minutes
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.
External Reasons for Email Issues
After we have tested the local server and see the local server is working correctly, we can infer that the issue lies with one of the following external problems:
Continue reading “How to Troubleshoot SMTP Errors: Part 2”
Reading Time: 8 minutes
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.
Continue reading “How to Troubleshoot SMTP Errors: Part 1”
Reading Time: 5 minutes
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.
Continue reading “How to Set up and Configure tmpmail “
Reading Time: 4 minutes
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.
There are two main types of SMTP servers: relays and receivers. Relays accept email from users and then route it to the recipient. Receivers accept mail from relay servers and deliver it into a mailbox.
Continue reading “A Beginners Guide to Email Protocols: SMTP, POP3, and IMAP”