image_pdfimage_print

Exim4 slow to initial response on SMTP connection

There are several reasons for this problem happen, like TLS, network, etc. But this is a tip for emergence. If you for example try telnet email_server email_smtp_port (25,465 or 587 in general) on local network and Exim has an quickly response, but when Continue reading Exim4 slow to initial response on SMTP connection