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Error in sending email

Posted: Mon Oct 22, 2018 9:28 am
by mmi
Hello,

I tried to send an email to 60 contacts with an attachment and I receive the following error.

said: 400 Unexpected long headers length, got: 5841 want: less than 4096 chars (in reply to end of DATA command))

Any idea what the problem might be?

Regards.

Re: Error in sending email

Posted: Mon Oct 22, 2018 9:33 am
by vavai
Do you send an email using Apps, webmail or mail client?

Re: Error in sending email

Posted: Mon Oct 22, 2018 12:28 pm
by DualBoot
Hello,

The best practise : use mailing list. Unless you want to be taken as Spammer.
By default Zimbra is limited to 50 mail adresses (Postfix configuration).

Regards,