Free SMTP Server List Public SMTP Host To Send Email

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Most popular free SMTP server list to use public SMTP server to send emails. SMTP server required while you send personal emails or business emails and email marketing.

On the internet there are a lot of companies offer free smtp server, few of them are very famous like,,,,,,, etc.

These are also referring as public SMTP host server. Free SMTP servers having the limitations to send email per day limit. The limitation to avoid spamming in marketing emails.

What is my host name?

If you would like to use your own mail server using your own domain hosted on server. For example, your website hosted on server like, and then you use for outgoing and incoming mail server. If you got any issue contact your web hosting provider.

Free SMTP Server List & Port Number:

By default SMTP server port work with port number 25 (alternate SMTP port 26) without using SSL. But in general all the public SMTP server use SSL certificate on their servers. Find the default SMTP port list here.

Default Server Ports:

Free smtp server

SMTP Server (Outgoing Server)

Server type (Non-Encrypted) Authentication type (None) Port No 25 and 26

Server type (Secure TLS) Authentication type (StartTLS) Port No 587

Server type (Secure SSL) Authentication type (SSL) Port No 465

POP3 Server (Incoming Server)

Server type (Non-Encrypted) Authentication type (None) Port No 110

Server type (Secure SSL) Authentication type (SSL) Port No 995

IMAP Server (Incoming Server)

Server type (Non-Encrypted) Authentication type (None) Port No 143

Server type (Secure SSL) Authentication type (SSL) Port No 993

Free SMTP server list to send emails

Free smtp server list

Gmail SMTP server                      SSL                 465                      StartTLS          587                        SSL                 995

Note: you need to enable POP3 from your gmail account settings.
Login to your account and enable POP3.
You also need to enable “less secure apps” (third party apps) in the Gmail settings:                         StartTLS                      587                         SSL                             995                StartTLS                      587            SSL                             995

Yahoo Mail            StartTLS                      587               SSL                             995

Hotmail                         SSL                             465                         SSL                             995

zoho Mail                       SSL                             465                         SSL                             995                        StartTLS                    587                          SSL                             995                        StartTLS                    587                          SSL                             995


Many individual and business used free email services for multiple purpose. Here is the list of most common free SMTP server list. If you know any other popular service provider not listing here, just comment the name we will add those.

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