Free SMTP (Simple Mail Transfer Protocol) mail servers to deliver emails with a mail client.
There are many free SMTP providers that will help you to complete your tasks. Before the spam era, sending emails was not problematic, nowadays it is very important to follow the regulations.
To make sure your mail is sent and not end up in the spam folder, it should be monitored. SMTP providers work on it and trach for better results. So there are cost-effective solutions and a plan for limited access with free.
Choose low cost web hosting plans which (email services, SMTP serve)
Gmail SMTP
The most popular and widely used free SMTP. Setting up Gmail server is easy. If you have not used two-factor protection, then it should start working quickly.
MAIL_HOST = smtp.gmail.com
MAIL_PORT = 587/465
MAIL_USERNAME = your Gmail account
MAIL_PASSWORD = your Gmail password
MAIL_ENCRYPTION = TLS/SSL
This error appears when you have put the wrong details. Mainly it is the wrong Gmail credentials. So check it first, and if it is okay then you have to see if you have proper mailing client in your local server.
Mailtrap
This one best for developers by railsware. Those who want to check their project, they can use it for quick easy setup. It is bydefault secure and encrypted.
You are provided with SMTP setups and a mail inbox. Where SMTP is free and email (fake address) is paid service.
Free Emails: Free forever account will give you maximum of 50 mails per inbox. The test mails has limit to 500 per month and the sending rate limit is 5 per 10 seconds. API is incuded in this package.
Pricing: They have plans for individual as well as for small group and enterprices. So you as an individual can take advantages of free test mails for a low cost per month. Plan starts from $9/m with 5000 test mails.
Mailtrap is easy to setup. Sign up for free and copy paste the configrations and you are ready to use for inbox and SMTP uses.
Mailgun
Another email serviece specilly for developers with powerfull APIs. Email testing for your project or marketing campaign, mailgun is one of the good choices.
Free Emails: Free account gives you 5000 per month for 3 months. Extra emails will cost you $00.80/1000 emails. Quite good features are there for free plans.
Pricing: Mailgun has a lot to offer, so the plans starts from $35/m. 10000 emails, 5 days of log retention and 1 dedicated IP, email tracking and analytics are few features.
Sendpulse
It is a multi-channel marketing automation platform and free SMTP service. They provides emails, SMS and chatbot for Facebook and Telegram. It would a best choice in one account for large project which includes SMS, SMTP, email and marketing.
Free Emails: 500 subscriber in free email plan and 12000 emails for SMTP service.
Pricing: Emails paid plans starts from $6.4 per month when you choose annual billing and monthly is $8. SMTP, pay as you go starts from $15 for 10000. You can go upto 4 dedicated IP adrresses.