New signature - dovecot submission

[Former user]

FreeBSD with default syslog.

Aug 15 06:02:39 myserver dovecot[3571]: submission-login: Disconnected: Aborted login by logging out (auth failed, 1 attempts in 2 secs): user=<business>, method=LOGIN, rip=141.98.10.24, lip=192.168.18.1, TLS, session=<xPPIsz/mR/KNYgoY>
Aug 15 06:02:59 myserver dovecot[3571]: submission-login: Disconnected: Aborted login by logging out (auth failed, 1 attempts in 2 secs): user=<sarah>, method=LOGIN, rip=45.125.66.24, lip=192.168.18.1, TLS, session=<cIMEtT/mtP8tfUIY> Aug 15 06:04:08 myserver dovecot[3571]: submission-login: Disconnected: Aborted login by logging out (auth failed, 1 attempts in 2 secs): user=<magasin>, method=LOGIN, rip=141.98.11.75, lip=192.168.18.1, TLS, session=<9hEbuT/m8fqNYgtL>
Aug 15 06:04:13 myserver dovecot[3571]: submission-login: Disconnected: Aborted login by logging out (auth failed, 1 attempts in 2 secs): user=<contactus>, method=LOGIN, rip=141.98.11.51, lip=192.168.18.1, TLS, session=<+GBmuT/mRNaNYgsz>

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[Kevin Zheng]

Reformatted submission to be more clear.

[Kevin Zheng]

Added in c29a48b, thanks.