Fallback from the Submission port to the SMTP port
![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]")
SMTP Relay Port: What is it and How Does it Work? [All You Need to Know]
Which SMTP Port to Use for Email: 25, 587, 465, or 2525?
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Bizagi Studio > Process wizard > Business Rules > Defining notifications > Email server configuration > Using an SMTP server > Using the IIS as an SMTP server > Using the IIS SMTP as a relay
Using port other than 25 to send emails
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What an SMTP port is and which one you should choose
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![SMTP Server: In-Depth Guide & Answers to FAQs [2023]](https://mailtrap.io/wp-content/uploads/2023/02/How-SMTP-server-works.jpg "SMTP Server: In-Depth Guide & Answers to FAQs [2023]")
SMTP Server: In-Depth Guide & Answers to FAQs [2023]
Which SMTP Port to Use for Email: 25, 587, 465, or 2525?
How to handle SMTP Relay after migrating to Exchange Online | Tailspintoys - 365lab.net
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