sendmail && SMTP AUTH: question about /etc/mail/auth/client-info file

Glyn Millington glyn at
Fri Jan 8 07:12:55 UTC 2010

Matthias Apitz writes:
 > Hello,
 > Because I was forced by my ISP to do so, I have configured successfully
 > as described in the FBSD docs the sendmail with SMTP AUTH;
 > one question remains: the required file /etc/mail/auth/client-info has 
 > the line:
 > where the I: value is the userID given by the ISP and P: its password;
 > what does the U: value is good for exactly? thanks in advance

Hi Matthias,

U = user

for details see ....



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