Search found 169 matches

by dipeshmehta
Fri Mar 09, 2018 12:32 pm
Forum: Administrators
Topic: Block spam based on Subject or Body
Replies: 8
Views: 3397

Re: Block spam based on Subject or Body

Edit /opt/zimbra/conf/sa/sauser.cf and put something like this: header LocalFilterName Subject =~ /(re\-validate)/i score LocalFiltername 12 body LocalFilterName2 /(click here to unsubscribe|unlist me|remove from mailing list)/i score LocalFilterName2 4 Replace 'LocalFiltername' with anything you wi...
by dipeshmehta
Tue Feb 27, 2018 4:55 am
Forum: Administrators
Topic: Invalid login attempts lockout user access
Replies: 1
Views: 738

Invalid login attempts lockout user access

Hello, I have been experiencing invalid login attempts to user accounts on my server. Continuous such attempts lockouts the user account. I found following in audit.log: 2018-02-27 09:55:18,067 WARN [ImapSSLServer-878] [ip=xxx.yyy.zzz.aaa;] security - cmd=Auth; account=user@domain.com; protocol=imap...
by dipeshmehta
Tue May 30, 2017 11:30 am
Forum: Administrators
Topic: dkim=fail for inbound mails
Replies: 0
Views: 748

dkim=fail for inbound mails

I observed most inbound mails are marked with dkim=fail Authentication-Results: mail.domain.com (amavisd-new); dkim=fail (2048-bit key) reason="fail (body has been altered)" header.d=gmail.com and scored like this: DKIM_SIGNED=0.1, T_DKIM_INVALID=0.01 What should I check?
by dipeshmehta
Thu May 25, 2017 7:29 am
Forum: Administrators
Topic: Rewrite addresses only when mail go outside
Replies: 2
Views: 1111

Re: Rewrite addresses only when mail go outside

Have you tried with postfix's generic maps? Check out this - http://www.postfix.org/ADDRESS_REWRITIN ... ml#generic I had used this feature when I was using plain postfix mail server, don't know if it can be used within zimbra.
by dipeshmehta
Fri Jan 06, 2017 10:58 am
Forum: Administrators
Topic: Cant add some security features for my zimbra.
Replies: 12
Views: 2553

Re: Cant add some security features for my zimbra.

2. Also our security service wants that some email accounts will duplicate all income and outgoing emails. I used hidden redirect to duplicate all incoming emails, but i don't know how to duplicate outgoing mail. You may use postfix's sender_bcc_maps and recipient_bcc_maps. Check Postfix Configurat...
by dipeshmehta
Wed Oct 26, 2016 10:49 am
Forum: Administrators
Topic: Inbound mail from one do not received
Replies: 0
Views: 878

Inbound mail from one do not received

Hello, Inbound mail from one particular mail id do not received. The sender is on one of the free mail service, and other mails from that service are received properly. Below is snippet of the mail log: Oct 25 18:27:01 mail postfix/smtpd[23689]: connect from f5mail-224-105.senderdomain.com[000.111.2...
by dipeshmehta
Wed Apr 27, 2016 6:58 am
Forum: Administrators
Topic: Outbound mail bounces with 554 Security violation
Replies: 0
Views: 2216

Outbound mail bounces with 554 Security violation

Hello, Outbound mails to one particular domain is getting bounced with '554 Security violation' <recipient@recipient.domain>: host remotehost[xxx.xxx.xxx.xxx] said: 554 Security violation. Email Session ID: {571F3BE7-10034-D18A8C0-C00XYZ01} (in reply to MAIL FROM command) I have hardware firewall (W...
by dipeshmehta
Mon Jan 25, 2016 12:11 am
Forum: Administrators
Topic: Why are my mails still delivered as spam?
Replies: 4
Views: 2031

Why are my mails still delivered as spam?

required=-20.0 is too low, its 6.6 in mine
by dipeshmehta
Fri Jan 22, 2016 11:04 pm
Forum: Administrators
Topic: code: mail.NO_SUCH_PART error when replying/forwarding a message
Replies: 2
Views: 1175

code: mail.NO_SUCH_PART error when replying/forwarding a message

Usually this happens when the received mail has images, and user has not yet clicked 'display images'. When user replies or forwards the mail, the image part was not loaded and therefore this message occurs.
by dipeshmehta
Fri Sep 11, 2015 11:45 pm
Forum: Administrators
Topic: SpamAssasin TextCat Plugin
Replies: 3
Views: 1054

SpamAssasin TextCat Plugin

I copied TextCat.pm to /opt/zimbra/zimbramon/lib and restarted zmmta+zmamavisd, but spamassassin --lint gives same message.

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