Dear list,

One of my users is reading e-mail from his phone. When he logs in, this is what 
I see in my logs : 

Apr 10 16:17:58 auth-worker(17101): Debug: 
sql(x...@mydomain.tld, query: SELECT email as user, password 
FROM users WHERE email = LOWER('x...@mydomain.tld')
Apr 10 16:17:58 imap-login: Info: Login: user=<x...@mydomain.tld>, 
method=LOGIN, rip=, lip=, mpid=19286, TLS, 

Both lines show a remote IP of, which is strange since all my 
users are, and connect from, Algeria. According to the ispinfo website 
(, this IP belongs to Microsoft.

Could it be that the outlook app uses microsoft's servers to fetch the mail 
before handing them to the user ? 


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