Sent email land in queue, able to receive but not send emails.

Hi, We've recently bought a cPanel license for 30 accounts and are setting up webmail for some of our clients, but we ran into an issue. All email that we send from the clients webmail info@example.com, stays in the mail queue manager queue. I've tried setting up all the necessary DNS configurations and also configured exim to run on port 26, because of sender@example.com Sender: sender@example.com Sent Time: Jul 4, 2023, 3:59:15 PM Sender Host: server.sender.com Sender IP: ::1 Authentication: dovecot_login Spam Score: Recipient: test-d7s3txit9@srv1.mail-tester.com Delivery User: -system- Delivery Domain: Delivered To: Router: dkim_lookuphost Transport: dkim_remote_smtp Out Time: Jul 4, 2023, 4:34:16 PM ID: 1qGgZP-001OyJ-0d Delivery Host: Delivery IP: Size: 587 bytes Result: retry time not reached for any host for 'srv1.mail-tester.com' Mail Control Data: mailnull 47 12 1688479195 0 -received_time_usec .199239 -received_time_complete 1688479195.242031 --helo_name server.example.com -host_address [::1]:43834 -host_auth dovecot_login -host_auth_pubname LOGIN -interface_address [::1]:587 -received_protocol esmtpa -aclm _outbound_recipient 1 1 -body_linecount 1 -max_received_linelength 56 --auth_id sender@example.com -host_lookup_failed -tls_resumption A XX 1 ='test-d7k3txit9@srv1.mail'>test-d7s3txit9@srv1.mail-tester.com Queue log data LOG: MAIN cwd=/usr/local/cpanel/whostmgr/docroot 4 args: /usr/sbin/exim -v -M 1qGgZP-001OyJ-0d delivering 1qGgZP-001OyJ-0d LOG: MAIN Sender identification U=sender D=example.com S=sender@example.com Connecting to reception.mail-tester.com [94.23.206.89]:25 ... TFO mode sendto, no data: EINPROGRESS connected SMTP(Connection timed out)<< SMTP(close)>> cmdlog: '(unset)' LOG: MAIN H=reception.mail-tester.com [94.23.206.89]: SMTP timeout after initial connection: Connection timed out LOG: MAIN == ='test-d7k3txit9@srv1.mail'>test-d7s3txit9@srv1.mail-tester.com R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out H=reception.mail-tester.com [94.23.206.89]: SMTP timeout after initial connection What else should i provide? let me know how to share dns configuration safely if needed. Is anybody willing to help? Regards, Koen

cPRex Jurassic Moderator

July 05, 2023 10:27

Hey there! Setting up port 26 only works for *inbound* connections by mail clients to your server, to help when their local network blocks port 25. It won't help when your provider is blocking port 25 as that is still where the email traffic happens. You'll want to speak with your provider to see if they can unblock that port, or use a third-party smarthost option as outlined here:

Koen_200000

July 07, 2023 12:20

Hey! Smart host was an excellent solution, i appreciate the help! This article helped me setup email with SendGrid on cPanel:

Hey there! Setting up port 26 only works for *inbound* connections by mail clients to your server, to help when their local network blocks port 25. It won't help when your provider is blocking port 25 as that is still where the email traffic happens. You'll want to speak with your provider to see if they can unblock that port, or use a third-party smarthost option as outlined here: You pointed me in the right direction and i appreciate you for that. Regards, Koen

July 20, 2023 16:22

@Koen_200000 - I'm glad that worked well for you!

Sent email land in queue, able to receive but not send emails.

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