trouble with sending emails from alternate email account

[raf]

On Sun, Feb 13, 2022 at 11:28:15AM -0600, Ranjan Maitra <mlmaitra at gmx.com> wrote:

> On Sun Feb13'22 09:25:12AM, Charles Cazabon wrote:
> > From: Charles Cazabon <charlesc-lists-mutt-users at pyropus.ca>
> > Date: Sun, 13 Feb 2022 09:25:12 -0600
> > To: mutt-users at mutt.org
> > Subject: Re: trouble with sending emails from alternate email account
> >
> > Ranjan Maitra <maitra at email.com> wrote:
> > > I am no longer able to send email from mutt from anything other than my
> > > office account
> > [...]
> > >    [2022-02-12 23:18:26] 5> AUTH PLAIN ....(removed)
> > >    [2022-02-12 23:18:27] 5< 535 Authentication credentials invalid
> > >    [2022-02-12 23:18:27] 5< 535 Authentication credentials invalid
> >
> > Looks like your SMTP AUTH credentials are not valid :)  You should probably
> > contact your mailhost for assistance.
> >
> 
> Thank you for this, it turns out that funky .muttrc settings are not
> called for, but rather, the issue may be quiet withdrawal of SMTP
> access on the base account, followed by my (now) somewhat noisier
> withdrawal from that account.
> 
> Best wishes,
> Ranjan

In case anyone comes here via a search, another reason
that authentication credentials can suddenly stop
working is because someone has hacked into the email
account and changed the password (presumably via a web
interface).

cheers,
raf