Linux Tutorials on the topic “sendmail”

  • How do I configure Sendmail for SMTP-Auth?

    apache Author: tillTags: Comments: 0Published: Aug 07, 2006

    Some helpful links: http://www.sendmail.org/%7Eca/email/auth.html http://www.jonfullmer.com/smtpauth/ http://www.joreybump.com/code/howto/smtpauth.html http://server.1und1.com/root_server/bs/suse72/howtos/1.html http://info.ccone.at/INFO/Mail-Archives/redhat/Jan-2002/msg02936.html http://www.howtoforge.com/howto_sendmail_smtp_auth_tls

    read more... | add comment | view as pdf | print

  • I cannot send and/or receive emails.

    apache Author: tillTags: , , Comments: 0Published: Aug 07, 2006

    Please check if Sendmail/Postfix and your POP3 daemon are running by executing netstat -tap You will get a list of all services listening on your server. If they are running re-configure your firewall (iptables or ipchains) so that the ports 25 (Sendmail/Postfix) and 110 (POP3) are not blocked. If this does not help please check that Sendmail/Postfix is really running on port 25 and your POP3 daemon on port 110. (Hint for standard RedHat installations: If you have webmin installed and are running Sendmail, go to Webmin->Servers->Sendmail->Sendmail Options. Under SMTP Port Options you often find the following entry:

    read more... | add comment | view as pdf | print

  • On sending emails, I get the following error message: "Relaying denied".

    apache Author: tillTags: , Comments: 0Published: Aug 07, 2006

    There are two solutions for this problem: 1) You configure your MTA to allow authentication via SMTP (SMTP-Auth). Your users then have to change settings in their email clients (e.g. Outlook), i.e., they have to activate Server requires authentication. 2) You install "POP-before-SMTP" or poprelayd on your server. Your users then have to fetch emails first before they are allowed to send emails for a restricted period of time (mostly 30 min.).

    read more... | add comment | view as pdf | print