My front end website showes only white screen, freezed

[bledi]

Hello!
I need your help, my website this morning showes only white screen, nothing. While back end and ftp works fine. In the log file i see smth with the Newsletter module wich normaly delivers weekly every wednesday, and it was the first time I had activated to show Micro items.
In the log file I found repeeting this:

[2016-03-30 07:18:50]    ERROR in file /home2/mtitrave/public_html/includes/libraries/swift/classes/Swift/Transport/Esmtp/AuthHandler.php line 184
Uncaught exception 'Swift_TransportException' with message 'Failed to authenticate on SMTP server with username "mti@mtitravel.al" using 2 possible authenticators' in /home2/mtitrave/public_html/includes/libraries/swift/classes/Swift/Transport/Esmtp/AuthHandler.php:184
Stack trace:
#0 /home2/mtitrave/public_html/includes/libraries/swift/classes/Swift/Transport/EsmtpTransport.php(312): Swift_Transport_Esmtp_AuthHandler->afterEhlo(Object(Swift_SmtpTransport))
#1 /home2/mtitrave/public_html/includes/libraries/swift/classes/Swift/Transport/AbstractSmtpTransport.php(120): Swift_Transport_EsmtpTransport->_doHeloCommand()
#2 /home2/mtitrave/public_html/includes/libraries/swift/classes/Swift/Mailer.php(80): Swift_Transport_AbstractSmtpTransport->start()
#3 /home2/mtitrave/public_html/includes/libraries/elxis/framework.class.php(391): Swift_Mailer->send(Object(Swift_Message))
#4 /home2/mtitrave/public_html/modules/mod_newsletter/mod_newsletter.php(543): elxisFramework->sendmail('Newsletter - MT...', 'Weekly newslett..

Apreciating a help as soon as possible.

[bledi]

Fixed, disabled the newsletter module, and now is ok. Maybe someone needs to look at this module what happen.

[datahell]

The module is fine. Elxis mailer can't send email because your mail settings are incorrect.