Failed to send mail, error reason [(535, b'5.7.8 Error: authentication failed

brainworks

@aaPanel_Jose i trying to setup mail server its show error

Failed to send mail, error reason [(535, b'5.7.8 Error: authentication failed: UGFzc3dvcmQ6')]
Logs

Jul 15 19:44:15 bhhspanel postfix/smtpd[25156]: connect from cloud.census.shodan.io[94.102.49.193]
Jul 15 19:44:16 bhhspanel postfix/smtpd[25156]: lost connection after STARTTLS from cloud.census.shodan.io[94.102.49.193]
Jul 15 19:44:16 bhhspanel postfix/smtpd[25156]: disconnect from cloud.census.shodan.io[94.102.49.193] ehlo=1 starttls=1 commands=2
Jul 15 19:44:17 bhhspanel postfix/smtpd[25156]: connect from cloud.census.shodan.io[94.102.49.193]
Jul 15 19:44:17 bhhspanel postfix/smtpd[25156]: lost connection after CONNECT from cloud.census.shodan.io[94.102.49.193]
Jul 15 19:44:17 bhhspanel postfix/smtpd[25156]: disconnect from cloud.census.shodan.io[94.102.49.193] commands=0/0
Jul 15 19:44:17 bhhspanel postfix/smtpd[25156]: connect from cloud.census.shodan.io[94.102.49.193]
Jul 15 19:44:18 bhhspanel postfix/smtpd[25156]: lost connection after CONNECT from cloud.census.shodan.io[94.102.49.193]
Jul 15 19:44:18 bhhspanel postfix/smtpd[25156]: disconnect from cloud.census.shodan.io[94.102.49.193] commands=0/0
Jul 15 19:44:40 bhhspanel postfix/smtpd[25151]: lost connection after STARTTLS from cloud.census.shodan.io[94.102.49.193]
Jul 15 19:44:40 bhhspanel postfix/smtpd[25151]: disconnect from cloud.census.shodan.io[94.102.49.193] ehlo=1 starttls=1 commands=2
Jul 15 19:48:00 bhhspanel postfix/anvil[25153]: statistics: max connection rate 10/60s for (smtp:94.102.49.193) at Jul 15 19:44:17
Jul 15 19:48:00 bhhspanel postfix/anvil[25153]: statistics: max connection count 2 for (smtp:94.102.49.193) at Jul 15 19:44:11
Jul 15 19:48:00 bhhspanel postfix/anvil[25153]: statistics: max cache size 1 at Jul 15 19:44:07
Jul 15 19:48:50 bhhspanel postfix/smtpd[25324]: connect from localhost[::1]
Jul 15 19:48:52 bhhspanel postfix/smtpd[25324]: warning: localhost[::1]: SASL PLAIN authentication failed:
Jul 15 19:48:58 bhhspanel postfix/smtpd[25324]: warning: localhost[::1]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 15 19:48:59 bhhspanel postfix/smtpd[25324]: lost connection after AUTH from localhost[::1]
Jul 15 19:48:59 bhhspanel postfix/smtpd[25324]: disconnect from localhost[::1] ehlo=1 auth=0/2 commands=1/3
Jul 15 19:49:33 bhhspanel postfix/smtpd[25324]: connect from localhost[::1]
Jul 15 19:49:35 bhhspanel postfix/smtpd[25324]: warning: localhost[::1]: SASL PLAIN authentication failed:
Jul 15 19:49:41 bhhspanel postfix/smtpd[25324]: warning: localhost[::1]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 15 19:50:07 bhhspanel postfix/smtpd[25324]: lost connection after AUTH from localhost[::1]
Jul 15 19:50:07 bhhspanel postfix/smtpd[25324]: disconnect from localhost[::1] ehlo=1 auth=0/2 commands=1/3

aaPanel_Jose

brainworks
Please try to create a new test mail account to send the mail,

if still get error, can I log in to your panel to check for you?

aaP_addiammar11

hello, i have sampe problem cant send message and show error "SMTP Auth failed". can help me to solve this error? pls

aaPanel_Kern

Hello, check your website configuration. If the website and mail server are on the same server, it is recommended to use the intranet address or 127.0.0.1 port 25, and turn off SMTP security.

aaP_addiammar11