KnowledgeBase Articles » accept() returned invalid socket

Wednesday, November 22, 2017, 13:40

accept() returned invalid socket

Category: Troubleshooting

Solution ID: 00000307

Summary:

accept() returned invalid socket (Numerical result out of range), try again

Answer:

This advice is for experienced Linux administrators only. For get more help through our HelpDesk.

Using the server console, if you see the message "accept() returned invalid socket" in /var/log/pmlog, this usually indicates the server does not have sufficient memory to service the number of concurrent mail threads.

Example:

Perfectmail: accept() returned invalid socket (Numerical result out of range), try again
Nov 22 19:20:45 myserver last message repeated 10 times

Consider increasing your server memory. A busy PerfectMail server may require 4Gb of memory, or more.

Tags: antivirus, email, milter, sendmail, error state, milter to error state, message

Link to this article: https://perfectmail.com/kb/accept_returned_invalid_socket

Updated: Wednesday, November 22, 2017, 13:40

-- David Rutherford