FAQ organized by category

SMTP & API

What is an SMTP Relay Service ?

What is SMTP? SMTP stands for Simple Mail Transfer Protocol and it is basically a server to send and receive emails. Normal...

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What's the difference between STMP and API ?

Mailpro allows you to integrate your website, application or ECommerce in different ways, those being SMTP Relay or API. Depending...

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What is the maximum weight of a message sent through SMTP?

Newsletter Weight when using SMTP When sending commercial or transactional emails through the...

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What type of SMTP Server to choose?

Chosing the right SMTP server  To chose the right SMTP server, you must take...

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Where do I find the SMTP authentication credentials in Mailpro

Find the SMTP authentication credentials in Mailpro Mailpro SMTP Relay Server allows you...

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How are statistics collected from an SMTP sending?

SMTP Statistics The statistics pertaining to messages sent through the SMTP server are...

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How to manage Unsubscribe link for SMTP messages?

Learn about Unsubscription links with Mailpro SMTP Placing an unsubscribe link at the...

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How is CC or BCC copy sending handled by SMTP?

The sending of messages in copy and hidden copy through the SMTP server will be managed independently....

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How do I send emails with an SMTP Server?

Learn everything about SMTP sendings with Mailpro SMTP is simply one of the...

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What is new in the API V3?

Our new API V3 is a powerful REST JSON tool designed so that developers can integrate all Mailpro functions with...

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How does Mailpro's API work?

  We set a limit of use to our API to provide the...

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Which SMTP Port to Use?

Which SMTP Port to Use? SMTP port 587 is commonly used for email marketing....

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Is SMTP Protocol Reliable?

SMTP (Simple Mail Transfer Protocol) is a reliable and widely used protocol for sending email messages. SMTP...

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How do APIs work?

How do Email APIs Work? Email APIs (Application Program Interfaces) are a powerful tool for developers that enable them to send...

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What is SMTP Error 554?

554 Rejected   If a script running on event...

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How does the Mailpro API Limit Work?

How does Mailpro API limit works?   We set a limit of use to our API to provide the best services possible...

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Can SMTP Receive Email?

Can SMTP Receive Email? No, SMTP (Simple Mail Transfer Protocol) cannot receive emails; it is designed solely for sending emails. SMTP...

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What is the Difference Between SMTP and Other Email Protocols Like IMAP and POP3?

SMTP, IMAP, and POP3 are three protocols commonly used in email communication, but they serve different purposes and operate in...

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What is a Password Reset Email?

A password reset email is a type of transactional email sent to users who request to reset or recover their...

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How Can I Ensure My Password Reset Emails Don’t Go to Spam?

To avoid having your password reset emails marked as spam, use a reputable email service provider like Mailpro, ensure your...

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