Hi, i'm trying to send an email from a zimbra server to another zimbra server in the same subnet. but i've this error : [root@mail05-levita ~]# telnet mx.3bgroup.it 25 Trying 185.96.217.11... Connected to mx.3bgroup.it. Escape character is '^]'. 220 proxy.levita.cloud ESMTP Exim 4.89 Thu, 01 Feb 201...

Hi, i'm trying to use a ftp storage (that is on a qnap) so i'm using this command in order to mount this ftp resource on a mountpoint inside my /opt/zimbra/ folder : curlftpfs#192.168.2.220/Backup_FTP /opt/zimbra/external fuse rw,uid=zimbra,gid=zimbra,umask=002,user,suid,allow_other,auto 0 0 so i've...

do you have find a way to do that?

It works fine for me: [root@zephyr /]# telnet 185.41.215.201 25 Trying 185.41.215.201... Connected to 185.41.215.201. Escape character is '^]'. 220 mail.bricofer.it ESMTP Postfix ehlo fred 250-mail.bricofer.it 250-PIPELINING 250-SIZE 50000000 250-ETRN 250-STARTTLS 250-AUTH LOGIN GSSAPI DIGEST-MD5 P...

Hi, some of my users cannot send email to this domain bricofer.it , they have this error : <helpdesk@bricofer.it>: lost connection with mail.bricofer.it[185.41.215.201] while receiving the initial server greeting So i try to contact 185.41.215.201 on port 25 with telnet but i don't have any banner i...

phoenix wrote:If that really is your IP address then it would appear to have no reverse DNS as the initial error message stated:

Code: Select all

host 185.96.217.73
Host 73.217.96.185.in-addr.arpa. not found: 3(NXDOMAIN

)

also now i've updated PTR but i've same error

If that really is your IP address then it would appear to have no reverse DNS as the initial error message stated: host 185.96.217.73 Host 73.217.96.185.in-addr.arpa. not found: 3(NXDOMAIN ) yeah i know that for this IP there isn't still a right PTR, but i've already try with another correct revers...

Hi, i've some problem sending messages to a domain, because i've this error : 450 4.7.1 Client host rejected: cannot find your reverse hostname PTR it's fine and well propagated, so how can i whitelist this check on postfix? i've this zimbraMTARestriction : zimbraMtaRestriction: reject_non_fqdn_send...

i'm trying mailscanner in front of my zimbra server and everything works fine from external world to me. I think spamassassin is too 'heavy' and not too good for anti-spam, have you considered using rspamd instead of spamassassin? Client host rejected: cannot find your reverse hostname , [GW IP] (i...

Hi, i'm trying mailscanner in front of my zimbra server and everything works fine from external world to me. I've this network : https://imgur.com/a/U6yjn There is some problem when i send from zimbra server 2 to zimbra server 1, from zimbra.log on zimbra server 2 i've this error : Nov 27 15:31:30 m...