On 2022-01-14 at 12:10:23 UTC-0500 (Fri, 14 Jan 2022 12:10:23 -0500)
Joe Acquisto-j4 <j...@j4computers.com>
is rumored to have said:
[...]
> I guess this is going a bit astray, for some viewers anyway, but after
> repeated authentication failures, resorted to (or availed myself of)
> SWAKS and still get authentication failures.  I did set swaks to
> echo the credentials in plaintext, to the screen and know they
> are correct.  I am unsure why they are "broken up" with "->" and
> <-" and wonder if that should provide a clue?

Lines with '<-' are coming from the server (Postfix,) '->' lines are sent by 
the client (SWAKS.)

> Below is what is echoed to the screen.
> ~ # swaks
> === Trying mail.somehost.com:587...
> === Connected to mail.somehost.com.
> <-  220 mail.somehost.com ESMTP Postfix
>  -> EHLO auxilary
> <-  250-forwardx.somehost.com
> <-  250-PIPELINING
> <-  250-SIZE 56789012
> <-  250-VRFY
> <-  250-ETRN
> <-  250-STARTTLS
> <-  250-AUTH PLAIN LOGIN
> <-  250-AUTH=PLAIN LOGIN
> <-  250-ENHANCEDSTATUSCODES
> <-  250-8BITMIME
> <-  250 DSN
>  -> AUTH LOGIN
> <-  334 bla-
>  -> blah-user
> <-  334 bla
>  -> blah-password
> <** 535 5.7.8 Error: authentication failed: UGFzc3dvcmQ6
> *** No authentication type succeeded
>  -> QUIT
> <-  221 2.0.0 Bye
> === Connection closed with remote host.

I do not see a "STARTTLS" there, so my guess would be that the server is 
configured to only allow authentication with encryption active. That would be 
entirely normal, as the server is only offering plaintext AUTH mechanisms 
(PLAIN and LOGIN) which should only be done over encrypted channels.




-- 
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire

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