Search found 22 matches

by eranga
Mon Mar 13, 2017 3:04 am
Forum: Administrators
Topic: Google detects zimbra login pages as phishing sites.
Replies: 6
Views: 2535

Google detects zimbra login pages as phishing sites.

Dear All, We are an ISP and we maintain many email servers for customers most of which are zimbra servers. From the last week we are facing a weird issue where google safebrowsing is detecting some webmail urls as deceptive/phishing sites. Has anyone else had this problem? It takes 3-4 days and 3-4 ...
by eranga
Tue Feb 21, 2017 6:07 am
Forum: Administrators
Topic: Forwarding yahoo emails to gmail
Replies: 0
Views: 597

Forwarding yahoo emails to gmail

Hello,

On of the users in an email server has his emails forwarded to multiple gmail accounts. Unfortunately emails sent from yahoo when forwarded to gmail are not delivered with a DMARC error. Is there a solution for this.

Thanks,
Eranga.

Ubuntu 14.04
ZCS 8.7.0
by eranga
Tue Dec 20, 2016 3:03 am
Forum: Administrators
Topic: disable mobile webclient
Replies: 0
Views: 727

disable mobile webclient

Dear All, One of the customers we work with recently started working with Zimbra. They earlier used postfix+squirrelmail in which mobile users using webmail could send emails with attachments. However since zimbra mobile webclient does not have an add attachment feature, I would like to force the mo...
by eranga
Mon Aug 29, 2016 9:05 am
Forum: Administrators
Topic: Restrict number of recipients but bounce if exceeds
Replies: 0
Views: 832

Restrict number of recipients but bounce if exceeds

Hi, One of our customers have come up with the following requirement 01. Need to set outgoing email, maximum recipient limit to 30 recipients. 02. If maximum email recipient limit reached email has to be return to senders mail box and maxrecipient@domain.com. I can set the smtpd_recipient_limit to 3...
by eranga
Wed Jun 22, 2016 4:15 am
Forum: Administrators
Topic: Disclaimer not working
Replies: 2
Views: 933

Disclaimer not working

I have added a disclaimer to one of the zimbra servers I administrate but it does not work. I have followed the following wiki page https://wiki.zimbra.com/wiki/Domain_Disclaimer/Signature . My zimbra version is Release 8.0.6.GA.5922.UBUNTU12.64 UBUNTU12_64 FOSS edition. Are there any other steps or...
by eranga
Wed Jun 01, 2016 7:18 am
Forum: Administrators
Topic: STARTTLS Plaintext Command Injection
Replies: 3
Views: 1595

STARTTLS Plaintext Command Injection

One server we maintain has zimbra 8.0.7.GA.6021.UBUNTU12.64 version. The customer has done a vulnerability assessment through a third party and they have given a report with following error (Other issues were known for me and I have done the workarounds). It was observed that the remote mail service...
by eranga
Mon Dec 21, 2015 1:47 am
Forum: Administrators
Topic: Mysql table error
Replies: 1
Views: 1100

Mysql table error

One of our servers has an issue delivering emails to certain users. There is an error in the mysql_error.log. Ubuntu 12.04  Release 8.0.7.GA.6021.UBUNTU12.64 UBUNTU12_64 FOSS edition [ERROR] Got error 179 when reading table './mboxgroup17/open_conversation' Also there are other errors i...
by eranga
Thu Dec 03, 2015 5:18 am
Forum: Administrators
Topic: change main.cf values
Replies: 0
Views: 373

change main.cf values

I want to change the value of smtpd_sender_restrictions current value smtpd_sender_restrictions = check_policy_service inet:localhost:10031  New value smtpd_sender_restrictions = permit_mynetworks, check_policy_service inet:localhost:10031 postconf -e does not keep it permanent (which is t...
by eranga
Thu Nov 05, 2015 10:21 pm
Forum: Administrators
Topic: mailbox - Failed to lock mailbox
Replies: 0
Views: 1385

mailbox - Failed to lock mailbox

Users of our zimbra server randomly complains that they cannot connect to their mailboxes. When we check we see the following errors. mailbox - Failed to lock mailbox mailbox - transaction canceled because of lock failure lmtp - try again for message from=,to=: another mail delivery in progress lmtp...
by eranga
Thu Nov 05, 2015 10:08 pm
Forum: Administrators
Topic: Zimbra internal users can send mail to internal users without outgoing SMTP authentication, how do i disable this?
Replies: 6
Views: 1558

Zimbra internal users can send mail to internal users without outgoing SMTP authentication, how do i disable this?

post the result of the following as zimbra user. (Dont' need the IP's. But does it show your lan range?.)

postconf mynetworks

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