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3dxhosting > 3dxhosting Support Desk > Knowledgebase
» Category: Email  (Go back)

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The SMTP server is refusing my connection attempts Article rated 3.1/5.0
Some Internet Service Providers are blocking the standard SMTP port (25 port) to prevent SPAM/BULK messages being sent from their networks. For your convenience, Siteground has configured an alternative non-standard SMTP port . Please try changing the...
Cannot send emails using Outlook Express Article rated 3.0/5.0
The most common reasons for SiteGround customers to be unable to send emails through Outlook Express are wrong Outlook settings or blocked port 25 by the Internet Service provider. Use the correct Mail Client settings: Incoming mail server (POP3/IMA...
How to check whether SMTP port 25 is blocked? Article rated 3.1/5.0
The standard port used for SMTP connections is 25. One of the most common reasons for not being able to send messages is that your Internet service provider blocks this port. This is why using an alternative SMTP port is highly recommended. Here's how ...