On Oct 9, 2019, at 5:23 PM, @lbutlr <kremels@kreme.com> wrote:
First, logins in to check mail and succeeds
Oct 09 16:02:16 imap-login: Info: Login: user=<myuser@covisp.net>, xx.xx.xx.xx, PLAIN, TLS
Sends device MUA info
Oct 09 16:02:16 imap(myuser@covisp.net)<84553><bP4acIGUJttJDqGg>: Info: ID sent: name=iPad Mail, version=17A860, os=iOS, os-version=13.1.2 (17A860)
Fails to send mail
Oct 09 16:02:50 imap-login: Info: Aborted login (auth failed, 5 attempts in 33 secs): user=<myuser@covisp.net>, xx.xx.xx.xx, PLAIN, TLS
This turns out to have been caused by the MUA attempting to connect to port 25 (despite clearly showing port 587 in the MUA settings). Thanks to Mac/iOS account syncing, merely trying to change the port never seemed to work, but removing the account entirely and recreating it got it to connect to port 587 as configured.
Does dovecot log the ports if any of the various debug settings are enabled?
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