<div dir="auto">Possibly you exceeded the max ip and user connections for IMAP. Set in one of the dovecot conf files. Tends to happen with macmail, iphone.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Dec 27, 2023, 9:04 PM Chad A. Bersche via Blueonyx <<a href="mailto:blueonyx@mail.blueonyx.it">blueonyx@mail.blueonyx.it</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I've got a bit of a stumper on an account password change.<br>
<br>
I updated a local userid to have a new password. I also updated the <br>
user's password on their iPhone. The phone is often on the same LAN as <br>
the mail server. I have DNS entries that sort out the IP address of the <br>
mail hostname when on the local network, and when on a mobile network, <br>
the external DNS entries point to the valid external accessible IP to <br>
the same host. Now comes the weird part: When on the local network, my <br>
iPhone gives a "Cannot get Mail No password provided for <br>
"<a href="mailto:maskedemail@maskeddomain.com" target="_blank" rel="noreferrer">maskedemail@maskeddomain.com</a>". However when I switch to the LTE <br>
network and attempt to fetch mail, all goes according to plan. I've <br>
pulled some of the maillog entries from the logins:<br>
<br>
<br>
Logging in from local network:<br>
<br>
Dec 27 22:19:12 mail dovecot[3058731]: imap-login: Disconnected: Aborted <br>
login by logging out (auth failed, 2 attempts in 8 secs): user=<masked>, <br>
method=PLAIN, rip=172.18.0.35, lip=172.18.170.213, TLS, <br>
session=<2jRFN4oNqNesEgAj><br>
Dec 27 22:19:24 mail dovecot[3058731]: imap-login: Disconnected: Aborted <br>
login by logging out (auth failed, 2 attempts in 12 secs): <br>
user=<masked>, method=PLAIN, rip=172.18.0.35, lip=172.18.170.213, TLS, <br>
session=<E9nBN4oNqdesEgAj><br>
<br>
<br>
Logging in from Mobile/LTE network:<br>
Dec 27 22:20:03 mail dovecot[3058731]: imap-login: Login: user=<masked>, <br>
method=PLAIN, rip=174.243.50.183, lip=172.18.170.213, mpid=3928153, TLS, <br>
session=<BwfGOooNESuu8zK3><br>
Dec 27 22:20:03 mail dovecot[3058731]: imap-login: Login: user=<masked>, <br>
method=PLAIN, rip=174.243.50.183, lip=172.18.170.213, mpid=3928154, TLS, <br>
session=<PrrGOooNACuu8zK3><br>
<br>
<br>
As you can tell from the timestamps, these are just a minute apart, and <br>
NO change of password, etc. was involved. Simply changing from the <br>
local network to LTE causes the problem. This worked flawlessly prior <br>
to the password update, and I'm scratching my head as to why this is <br>
problematic. I'm thinking it's got something to do with certificates, <br>
but again, all this worked before, and none of my certificates have <br>
changed; only the password changed.<br>
<br>
Any insight as to why this behavior would be shown now, and any thoughts <br>
about remedy?<br>
<br>
<br>
Thanks!<br>
<br>
-- Chad<br>
<br>
<br>
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</blockquote></div>