Hi,

ok, two dots then... Hm.

I saw them and feared it would be something like that.

But I found a solution:

***SNIP***
git send-email --annotate --smtp-domain=devel64-2.localdomain -1
***SNAP***

This command worked - I added the "--smtp-domain=<FQDN>". ;-)

Best
Matthias

On 23.09.2024 19:01, Peter Müller wrote:
> Hello Matthias,
> 
> thank you for raising this.
> 
> On 2024-09-23 16:54, Michael Tremer wrote:
>> Hello Matthias,
>> 
>> I let Peter know. He will get back to you.
>> 
>> -Michael
>> 
>>> On 23 Sep 2024, at 17:07, Matthias Fischer 
>>> <matthias.fischer(a)ipfire.org> wrote:
>>> 
>>> Hi,
>>> 
>>> I'm giving up.
>>> 
>>> No matter what name I use (Devel-2, Devel, Justaname, Nothing), from 
>>> one
>>> day to another I can't send git mails anymore:
> 
> This is because for whatever reason your local application chose
> to submit an invalid HELO/EHLO banner when establishing the SMTP
> connection to our mail infrastructure.
> 
> The culprit is the double dot ("devel.."), which should not be
> there. This might have been caused by an update on your end, or
> your machine having set a hostname only, rather than a complete
> FQDN (and Git not coping with that properly).
> 
> If it takes longer to fix this, turning off HELO validation is an
> option, though I have to admit I am not really fond of that, especially
> not since it has been in place for years, and nothing has changed
> on this end. :-)
> 
> Thanks, and best regards,
> Peter Müller
> 
>>> 
>>> ***SNIP***
>>> root(a)Devel64-2: /git/ipfire-2.x # git send-email --annotate -1
>>> /tmp/Zp2mVJvp60/0001-squid-Update-to-6.11.patch
>>> Password for 'smtp://mfischer(a)submissions.ipfire.org:465':
>>> 5.5.2 <Devel..>: Helo command rejected: Invalid name. Refer to
>>> https://wiki.ipfire.org/postmaster for further information.
>>> 
>>> root(a)Devel64-2: /git/ipfire-2.x # hostname Justaname
>>> 
>>> root(a)Devel64-2: /git/ipfire-2.x # git send-email --annotate -1
>>> /tmp/XKUXVyPmdy/0001-squid-Update-to-6.11.patch
>>> Password for 'smtp://mfischer(a)submissions.ipfire.org:465':
>>> 5.5.2 <Justaname..>: Helo command rejected: Invalid name. Refer to
>>> https://wiki.ipfire.org/postmaster for further information.
>>> 
>>> root(a)Devel64-2: /git/ipfire-2.x # hostname
>>> Justaname
>>> 
>>> root(a)Devel64-2: /git/ipfire-2.x # hostname Nothing
>>> 
>>> root(a)Devel64-2: /git/ipfire-2.x # git send-email --annotate -1
>>> /tmp/yRTXjA1gp9/0001-squid-Update-to-6.11.patch
>>> Password for 'smtp://mfischer(a)submissions.ipfire.org:465':
>>> 5.5.2 <Nothing..>: Helo command rejected: Invalid name. Refer to
>>> https://wiki.ipfire.org/postmaster for further information.
>>> ***SNAP***
>>> 
>>> If the "postmaster" would have an idea, I'd be thankful...
>>> 
>>> Best
>>> Matthias
>>>