Advantages and disadvantages of SMTP

SMTP stands for the simple mail transport protocol. SMTP is the application level protocol that handles message service over TCP/IP networks. It has proven itself to be a strong, useful e-mail protocol, However there is a recognized need for an extension to standards. Here this article give information about the advantages and disadvantages of SMTP to better understand this topic.

Advantages or benefits of SMTP:

  • All you have to do is use your credentials and it will work.
  • In case of failure, the message will include an explanation about why email failed to be delivered.
  • It is extremely easy to start using mail for your transactional emails. All you have to do is exchange ceremonial and you are set to go. Unlike with API, where coding is required. 

Disadvantages or drawback of SMTP:

  • Some firewalls can block port commonly used with SMTP.
  • Security matter for SMTP is worse.
  • Transmission of binary files using SMTP is not possible without converting it into text files. Use MIME to send mail in another format.
  • It is usefulness is limited by its simplicity.
  • It is limited to only 7 bit ASCII characters.
  • SMTP servers may reject all mail messages beyond some specific length.
  • Usually require more back and worth conversion between servers in order to deliver your message, Which can delay sending and also increase the chance of the message not being delivered.
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