java mail aws smtp: javax.mail.AuthenticationFailedException: 220 Ready to start TLS

Question

I have configured the below properties for smtp appender. the same configuration works fine in local but getting error on AWS

log4j.appender.email=org.apache.log4j.net.SMTPAppender
log4j.appender.email.BufferSize=20
log4j.appender.email.SMTPHost=email-smtp.us-east-1.amazonaws.com
log4j.appender.email.SMTPUsername=<username>
log4j.appender.email.SMTPPassword=<password>
log4j.appender.email.SMTPPort=587
log4j.appender.email.From=<from@email>
log4j.appender.email.To=<to@email>
log4j.appender.email.Subject=<Subjec>
log4j.appender.email.layout=org.apache.log4j.PatternLayout
log4j.appender.email.layout.ConversionPattern=%d %-5p [%t] (%c{1}:%L) - %m%n
log4j.appender.email.SMTPDebug=true
log4j.appender.email.EnableSsl=true
log4j.appender.email.smtp.starttls.enable=true
log4j.appender.email.smtp.auth=true
log4j.appender.email.TLS=true

Answer 1

Solution: I have used 1.6.4 version for mailapi and smtp jars.