SMTP auth always fails

Hi Team,

I'm getting below exception, Please help on this...

javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 587, response: 421

Thanks,'

Naresh,

2 answers

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0 votes

Can you try on port 25 or 465?

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0 votes

Hi Suresh

are you able to use the same credentials for other applications?

are you sending large numbers of mails?

can you use the send test email?

see article here too

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