postfix gmail error warning: SASL authentication failure: No worthy mechs found

Problema

El postfix una vez configurada una cuenta de gmail para el envio de correo nos da el siguiente error var.log.mail.log

Sep 23 15:10:24 monitor postfix/qmgr[1683]: 4CF941E68211: from=, size=356, nrcpt=1 (queue active)
Sep 23 15:10:24 monitor postfix/smtp[1685]: warning: SASL authentication failure: No worthy mechs found
Sep 23 15:10:24 monitor postfix/smtp[1685]: 4CF941E68211: SASL authentication failed; cannot authenticate to server smtp.gmail.com[209.85.229.109]: no mechanism available
Sep 23 15:10:24 monitor postfix/smtp[1685]: warning: SASL authentication failure: No worthy mechs found
Sep 23 15:10:24 monitor postfix/smtp[1685]: 4CF941E68211: to=, relay=smtp.gmail.com[209.85.229.108]:587, delay=313, delays=313/0.01/0.18/0, dsn=4.7.0, status=deferred (SASL authentication failed; cannot authenticate to server smtp.gmail.com[209.85.229.108]: no mechanism available)


Solucion

#apt-get install libsasl2-modules
#/etc/init.d/postfix restart

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