Viktor Dukhovni <postfix-us...@dukhovni.org> writes: >> On Feb 2, 2018, at 12:03 AM, Olivier <olivier.nic...@cs.ait.ac.th> wrote: >> >> I apologize for being abiguous. It is a problem of authentication to >> SMTP (they have no problem with IMAP). And the certificate has not >> changed (same machine, same name, same file); and cyrus saslauthd has >> not changed either. > > And you're also not posting the relevant logs because you'll get more > "inspired" suggestions if everyone has to guess the cause? Right? :-)
The log are below. > You've also not explained what you mean by deleting and recreating the > account. I am not a Mac user, byt from the Mail app, select Files/Account and remove the account that makes problem and recreate it the same. > The only random guess that comes to mind is your SASL library may now > claims to support OAUTH, but really does not. Apple's Mail.app tends > to be fond of that particular SASL mechanism. Of course without logs > that's just crazy wild speculation. Thank you, Olivier A failing connection:AMTP authentication: Jan 29 16:44:57 fbsd63 postfix/smtpd[93113]: connect from unknown[118.174.201.202] Jan 29 16:44:57 fbsd63 postfix/smtpd[93113]: Anonymous TLS connection established from unknown[118.174.201.202]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) Jan 29 16:44:59 fbsd63 postfix/smtpd[93113]: warning: unknown[118.174.201.202]: SASL PLAIN authentication failed: Jan 29 16:45:05 fbsd63 postfix/smtpd[93113]: warning: unknown[118.174.201.202]: SASL PLAIN authentication failed: Jan 29 16:45:11 fbsd63 postfix/smtpd[93113]: warning: unknown[118.174.201.202]: SASL PLAIN authentication failed: Jan 29 16:45:21 fbsd63 postfix/smtpd[93113]: warning: unknown[118.174.201.202]: SASL PLAIN authentication failed: Connection lost to authentication server Jan 29 16:45:21 fbsd63 postfix/smtpd[93113]: disconnect from unknown[118.174.201.202] ehlo=2 starttls=1 auth=0/4 quit=1 commands=4/8 A successful SMTP authentication with same credentionls but from a different Mac: Jan 30 17:52:38 fbsd63 postfix/smtpd[15674]: connect from Mac-4.desktops.cs.ait.ac.th[192.41.170.243] Jan 30 17:52:38 fbsd63 postfix/smtpd[15674]: Anonymous TLS connection established from mac-4.desktops.cs.ait.ac.th[192.41.170.243]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) --
