@anonymous20 You've perfectly understood my problem, Anonymous20 ! I will follow your advice and install Query monitor to find out...

@robert Hi Robert, As far as I know, the only job of GD Mail queue is to intercept emails to be sent with PHP mail and queue them. I don't see w...

Thanks for the link, I will check. It may have up to 2000 subscribers for some topics.

Hi Anonymous20, Thank you so much for your advice ! I installed GD mail queue in place of POST SMTP, and it works again, without 504 error ! There is ...

I thought that the time necessary for POST SMTP to treat a large quantity of emails and send them to the SMTP server could be a part of the problem, a...

Hi Anonymous20, Thanks for your reply, but to be more precise on the issue, we have two forums on our site : - one forum is private and used by 17 per...

Yes, you were right. The trick is that I had TWO PO french files. I supposed it was because I tried, some months ago, to translate the plugin with LOC...

For your information, I checked the phrases, and "{number}K " was NOT modified...

@sofy I checked, every forum is settled as "Read only access" for guests. On your advice, I settled an admin note, and it's OK now, see attached i...

Hi, It's very simple, you just have to follow this link : , and open any topic you want.

@crisw Hi Cris, Of course, I'm very grateful that you gave so much of your time to help me ! 🤩  After our "SME" had a look on my issue, I w...