<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 19 Apr 2019, at 20.04, Martin Müller via dovecot <<a href="mailto:dovecot@dovecot.org" class="">dovecot@dovecot.org</a>> wrote:</div><div class=""><div dir="ltr" class=""><div dir="ltr" class=""><div dir="ltr" class=""><br class=""><div class=""><div class="">2019-04-19 18:53:54 imap-login: Info: Login: user=<<a href="mailto:office@ourdomain.at" class="">office@ourdomain.at</a>>, method=PLAIN, rip=80.75.xx.35, lip=136.xxx.9.172, mpid=28364, TLS, session=<vDTC9uSG2opQS/Yj></div></div><div class=""><br class=""></div><div class="">All 4 different MUAs Thunderbird are logged in the same way. They are behind a router, so they having the same remote IP. </div><div class="">So I cant differentiate, which MUA causes which event.</div><div class=""><br class=""></div><div class="">Is there a way, to identify which client raise a special event?</div></div></div></div></div></blockquote><br class=""></div><div>I think Thunderbird does send IMAP ID information so you can try adding "imap_id_log = *" to your config to get the info logged.</div><div><br class=""></div><div>Maybe it has some information to identify the different clients.</div><div><br class=""></div><div>Sami</div><br class=""></body></html>