gmail smtp over sendmail

我已经设置我的sendmail使用Google SMPT发送邮件。 但是，我不断收到这个错误。

Jun 20 11:35:24 server sendmail[2370]: p5KBZO3X002370: from=apache, size=1646, class=0, nrcpts=1, msgid=<[email protected]>, relay=apache@localhost Jun 20 11:35:24 server sendmail[2371]: p5KBZOal002371: from=<[email protected]>, size=1755, class=0, nrcpts=1, msgid=<[email protected]>, proto=ESMTP, daemon=MTA, relay=localhost.localdomain [127.0.0.1] Jun 20 11:35:24 server sendmail[2370]: p5KBZO3X002370: [email protected], ctladdr=apache (48/48), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=31646, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (p5KBZOal002371 Message accepted for delivery) Jun 20 11:35:24 server sendmail[2373]: STARTTLS=client: file /etc/mail/certs/sendmail.pem unsafe: Group readable file Jun 20 11:35:25 server sendmail[2373]: STARTTLS=client, relay=smtp.gmail.com, version=TLSv1/SSLv3, verify=OK, cipher=RC4-SHA, bits=128/128 Jun 20 11:35:25 server sendmail[2373]: p5KBZOal002371: to=<[email protected]>, ctladdr=<[email protected]> (48/48), delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=121755, relay=smtp.gmail.com [74.125.39.109], dsn=5.0.0, stat=Service unavailable Jun 20 11:35:25 server sendmail[2373]: p5KBZOal002371: p5KBZPal002373: DSN: Service unavailable Jun 20 11:35:25 server sendmail[2373]: p5KBZPal002373: to=root, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=33011, dsn=2.0.0, stat=Sent 

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