courier_login authenticator failed in exim email

laks

Member
Dec 14, 2011
12
0
51
cPanel Access Level
Root Administrator
Dear Team,

When i was sending email from server showing error in exim_maillog.

[16059] courier_login authenticator failed for (domain.com) [1.1.1.1]:47845 I=[1.2.1.2]:25: 535 Incorrect authentication data ([email protected])

how can i fix this issue.:confused:
 

cPanelMichael

Administrator
Staff member
Apr 11, 2011
47,909
2,228
463
Hello :)

There are several potential causes of this error message. The following post provides a list of potential issues and solutions:

535 Incorrect Authentication Data

Thank you.
 

laks

Member
Dec 14, 2011
12
0
51
cPanel Access Level
Root Administrator
Hi Michael,

Thank you for you reply, I have found one kind of solution, If you are using exim4 add the line in /etc/exim4/exim4.conf.localmacros file MAIN_TLS_ENABLE = true
or
vi /etc/exim.conf.local

MAIN_TLS_ENABLE = true

Thank you,
 
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