To stop Spam: drop SMTP on port 25, 465 and 587 to prevent further spam from being sent out by running the following commands: Restart: # service iptables restart Block an IP accessing the site: Restart: # service iptables restart After that – check the cpnael access logs for the domain and see that there … Read more
There’s a test available at http://cbl.abuseat.org/helocheck.html that will show you how the server is actually HELOing.
Getting email logs that show the following? mail qmail-queue-handlers[8672]: Handlers Filter before-queue for qmail started …Jul 7 14:17:18 mail qmail-queue-handlers[8672]: from=domain@domain.comJul 7 14:17:18 mail qmail-queue-handlers[8672]: to=domain@domain.comJul 7 14:17:18 mail greylisting filter[8673]: Starting greylisting filter…Jul 7 14:17:18 mail qmail-queue-handlers[8672]: handlers_stderr: DEFERJul 7 14:17:18 mail qmail-queue-handlers[8672]: DEFER during call ‘grey’ handlerJul 7 14:17:26 mail pop3d: Connection, ip=[::ffff:203.197.xx.xx]Jul … Read more
When changing the email from 100MB to 500 for the emails in the domain the following error: Under the subscription settings, you would need to increase the maximum size for the mailbox. If you attempt to make the limit for a mailbox higher than the current max mailbox setting for the subscription you will encounter … Read more
If you cannot send emails to Outlook or Hotmail or MSN, then your server’s IP address maybe blacklisted. Here are some tips to get removed from the MSN blacklist. Before jumping through the blacklist removal hoops, you may want to double-check that your emails are not simply going into the spam folder. This process will … Read more