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How to solve SMTP server unknown when the server is OK

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This happens when I try to send an email. Sometimes after 5 or 6 attempts it will send the email

This happens when I try to send an email. Sometimes after 5 or 6 attempts it will send the email

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sounds like your internet provider has dodgy DNS servers. Or there is something on your machine interfering with your access to them. One thing that might be an issue is the anti virus.

My Internet service provider (bigpond) has such unreliable DNS that I use Googles.

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sounds like your internet provider has dodgy DNS servers. Or there is something on your machine interfering with your access to them. One thing that might be an issue is the anti virus.

My Internet service provider (bigpond) has such unreliable DNS that I use Googles.