[neomutt-users] Unsupported option: rc=hdrs

[Pietro Cerutti]

On Dec 13 17 14:56, Patrick Ben Koetter wrote:
> Greetings,
> 
> I've run into a submission problem using "NeoMutt 20171208".
> 
> NeoMutt connects to the server, authenticates, sends MAIL FROM and
> receives a permanent reject. The reason seems to be that NeoMutt sends
> "rc=hdrs", which my Postfix server permanently rejects as "Unsupported
> option":
> 
> [2017-12-13 14:42:11] curses_message() Authentifiziere (PLAIN)...
> [2017-12-13 14:42:11] mutt_socket_write_d() 4> AUTH PLAIN --redacted--^M
> [2017-12-13 14:42:11] mutt_socket_readln_d() 4< 235 2.7.0 Authentication
> successful
> [2017-12-13 14:42:11] mutt_socket_write_d() 4> MAIL FROM:<p at sys4.de>
> BODY=8BITMIME rc=hdrs^M
> [2017-12-13 14:42:11] mutt_socket_readln_d() 4< 555-5.5.4 Unsupported
> option: rc=hdrs
> 
> I'm not aware that there's an option "rc", which can be sent along while
> sending MAIL FROM:
> 
> Did I miss it? Should Postfix support it? Can I disable sending this
> option in NeoMutt? Or is it a bug?

Do you have "set dsn_return = rc" somewhere in your config? If it's set, 
and the smtp server advertises the DSN capability, neomutt will add that 
to the MAIL FROM command.

Can you check whether postfix advertises DSN?

-- 
Pietro Cerutti
gahr at gahr.ch
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