Re: Apple mail fails with Submission

Op 18/12/2018 om 10:18 schreef Paul Hecker via dovecot:

Hi,

did you see this thread?

https://dovecot.org/list/dovecot/2018-October/113348.html

Had a similar issue with CHUNKING and Apple Mail, but could reproduce it with a Perl script, too. But I do not whether this was fixed already in v2.3.4 (nothing found in the release notes). Could be that relaying PIPELINING hast the same issues with “multi-line replies”.

I'm not sure yet that this is the same problem. That fix is indeed not released yet. It is in the pipeline. From the looks of things, it should be in v2.3.5.

Regards,

Stephan.

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On 18. Dec 2018, at 07:18, Aki Tuomi mailto:aki.tuomi@open-xchange.com> wrote:

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On 18 December 2018 at 02:30 Adi Pircalabu via dovecot < dovecot@dovecot.org mailto:dovecot@dovecot.org> wrote:

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Dear all,

I'm running dovecot # 2.3.2.1 - Pigeonhole version 0.5.2 () - OS: Linux 4.18.0-12-generic x86_64 Ubuntu 18.10 with Submission. It works great except with apple mail (Iphone).

I get an error with the MTA (postfix): ""postfix/submission/smtpd[32552]: warning: non-SMTP command from mail.example.org http://mail.example.org [1][xx.xx.xx.xx]: Content-Transfer-Encoding: 7bit""

with other mail-client(s) (Outlook (Desktop and Iphone app)) i have no problem and it proxy-sends the e-mail beautiful out to the recipient. Hardly anything to do with Dovecot. When it comes to email clients Apple Mail has been and is still one of the worst flops (no offence intended, just my opinion based on personal experience). If you can reliably reproduce it, try and log the raw SMTP conversation between Postfix and

On 2018-12-18 07:33, Ruud Voorjans wrote: the client by enabling per IP debugging in Postfix: postconf -e "debug_peer_level = 20" postconf -e "debug_peer_list = xx.xx.xx.xx" postfix reload where xx.xx.xx.xx is the unlucky client IP address.

Possibly some crappy SMTP PIPELINING implementation at the Apple end, who knows.

-- Adi Pircalabu

It's not unconceivable that there are bugs in submission either. Can you provide doveconf -n and submission rawlogs? See https://wiki.dovecot.org/Submission for settings.

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Aki Tuomi

Paul Hecker paul@iwascoding.com mailto:paul@iwascoding.com http://www.iwascoding.com http://www.iwascoding.com/

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