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SMTP Guide

SMTP server configuration

All you need to know about SMTP server settings: what is SMTP, how to use and configure an outgoing mail server for an email client, what are the basics of the email delivery process, how to set up a POP incoming server, how to interpret the most common SMTP error messages and solve them, what is a blacklist, and much more…

About SMTP

What is SMTP, what is an outgoing server, and how to determine the SMTP server in use.

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Free SMTP configuration

How to configure the SMTPs of the most common free email providers: Gmail, Hotmail, Yahoo Mail etc.

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Email delivery

Tips and explanations about how to keep track of your outgoing emails and maximize deliverability.

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SMTP setup

How to configure your SMTP server and solve the most common problems, with a full list of all error codes.

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SMTP for mail clients

Setting up an SMTP for Microsoft Outlook, Mozilla Thunderbird and Windows Mail.

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Email sending questions

What’s behind the act of hitting “Send” when you write an email, and how to make it work perfectly.

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Blacklist and whitelist

What is an email whitelist, a blacklisted IP, and how to deal with spam issues.

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POP and SMTP

What are POP and SMTP, with a handy list of settings of the most popular providers.

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SMTP for CMS

Setting up your SMTP server for Drupal, Joomla, WordPress and Magento.

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SMTP for Os

Some tips about how to configure an outbound email server for operative systems.

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Mobile SMTP

Configuring the SMTP settings to send emails when you use a mobile connection.

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Outgoing mail server configuration

All information about the setup and the parameters of free and pro outgoing mail servers.

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