Connection refused - connect(2) for "******" port 25

flavio20122

• May 07, 2022 21:36

Hello, I just bought a cPanel hosting on which I host some websites. Everything is going well until I send emails to the domain I host on cPanel. To be precise I cannot receive emails on the domains that I have configured on cPanel but on the other hand I can send emails trough this. I encounter this error when trying to outbound email via my own Smtp to said domain "No SMTP servers were available for email*******.com, Connection refused - connect(2) for "email.**** **com" port 25. Can someone tell me what is the reason please AND how to resolve it? Thank you

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  cPRex Jurassic Moderator

  • May 09, 2022 18:22

  Hey there! That sounds like a common issue where your hosting provider doesn't have port 25 opened for traffic. You can use this guide to confirm the issue:

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  flavio20122

  • May 12, 2022 08:38

  Hello, sorry for the late reply ? So when you talking about providers, you mean my VPS provider or the domain provider who blocked ports 25 ? Because i host email service with Contabo server and i'm able to send email to other providers like outlook/gmail/yahoo and my principal domain except my subdomain WHERE it signed with this error "No SMTP servers were available for email*******.com, Connection refused - connect(2) for "email.**** **com" port 25

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  cPRex Jurassic Moderator

  • May 12, 2022 13:13

  This would be the VPS provider, as the host often blocks that port on their network.

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