the commande [root @ r13 *** ~] # sasl2-shared-mechlist Available mechanisms: GSSAPI, ANONYMOUS CRAM-MD5, DIGEST-MD5, LOGIN, PLAIN, NTLM Library media: EXTERNAL, NTLM, PLAIN, LOGIN, DIGEST-MD5, CRAM-MD5, ANONYMOUS, GSSAPI [root @ r13151 ~] # indicates the presence of all options the customer smtp in the page http://www.sendmail.org/~ca/email/auth.html it indicates that you have to edit /etc/sysconfig/saslauthd it seems to me I have to try to change the option pam present in the file in plain login but after impossible to restart /sbin/service saslauthd restart is not working anymore my question is related Sendmail I try to configure I thank you for all your returns sl ps:Excuse my bad English I am French