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Email issue in new installation on VMware VPS

Sanjay Narayan
Hi, I have a VPS container created in vmvare running with 2 public IPs. I have installed the cpanel yesterday and created the custom hostname with domain registrar for custom nameservers. I am able to create the accounts and host the website but email is not working. Please help. I am unable to receive any mails sent from cpanel as well. It is queued.

Comments

7 comments

Date Votes
  • Sanjay Narayan
    When i try to push the mail from queue i get following output LOG: MAIN cwd=/usr/local/cpanel/whostmgr/docroot 4 args: /usr/sbin/exim -v -M 1g1kvB-0003Ll-KX delivering 1g1kvB-0003Ll-KX LOG: MAIN SMTP connection identification H=localhost A=127.0.0.1 P=41338 M=1g1kvB-0003Ll-KX U=root ID=0 S=root B=authenticated_local_user LOG: MAIN Sender identification U=root D=-system- S=root Connecting to outlook-com.olc.protection.outlook.com [104.47.37.33]:25 ... failed: Connection timed out (timeout=5m) LOG: MAIN H=outlook-com.olc.protection.outlook.com [104.47.37.33] Connection timed out Connecting to outlook-com.olc.protection.outlook.com [104.47.38.33]:25 ... failed: Connection timed out (timeout=5m) LOG: MAIN H=outlook-com.olc.protection.outlook.com [104.47.38.33] Connection timed out LOG: MAIN == *********@outlook.com R=lookuphost T=remote_smtp defer (110): Connection timed out
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  • cPanelMichael
    :25 ... failed: Connection timed out (timeout=5m)

    Hello @Sanjay Narayan, If there are no firewall rules blocking outgoing connections over port 25, then check to see if your provider, or your data center, is blocking outgoing connections over port 25. Data centers/hosting providers will sometimes block outgoing connections over that port as a SPAM prevention technique. Thank you.
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  • Sanjay Narayan
    Hi @cPanelMichael, I will check with my ISP and check if the port 25 is blocked. However I'm unable to even receive the mail as well. Is there something i need to configure after installing cPanel? Things are working fine except email server.
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  • cPanelMichael
    I will check with my ISP and check if the port 25 is blocked. However I'm unable to even receive the mail as well. Is there something i need to configure after installing cPanel? Things are working fine except email server.

    If port 25 is blocked, it can prevent both incoming and outgoing email from functioning on the server. Beyond that, here's a document with guidelines on how to configure the email server post-installation: How to Keep your Email Out of the Spam Folder - cPanel Knowledge Base - cPanel Documentation Thank you.
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  • Sanjay Narayan
    Hi @cPanelMichael, Port 25 blocked at ISP end. Email started working after opening the port. If your ISP doesn't agree to open a port is there any other option? Can the port be changed?
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  • cPanelMichael
    If your ISP doesn't agree to open a port is there any other option? Can the port be changed?

    Hello @Sanjay Narayan, I'm happy to see the issue is now solved. As far as alternatives, here's a Google Compute document developed to show alternatives when port 25 is blocked (Google blocks port 25 on their Compute service): Sending Email from an Instance "|" Compute Engine Documentation "|" Google Cloud It suggests using a third-party email provider such as SendGrid or Mailgun. Thank you.
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  • Sanjay Narayan
    Thank you @cPanelMichael
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