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Which SMTP Port to Use for Email: 25, 587, 465, or 2525?
KA-01131 · Customer Self-Service
Which SMTP Port to Use for Email: 25, 587, 465, or 2525?
![SMTP Relay Port: What is it and How Does it Work? [All You Need to Know]](https://postmansmtp.com/wp-content/uploads/2023/07/post-smtp-blog_SMTP-Relay-Port-What-is-it-and-How-Does-it-Work-All-You-Need-to-Know-Social-Media.jpg "SMTP Relay Port: What is it and How Does it Work? [All You Need to Know]")