I have condition in my clients where all outgoing email from their server do relay into Relay server. This caused usually Public IP got blacklisted by RBL. I am perform the relay configuration by use this guidance : https://imanudin.net/2014/09/18/how-to-configure-outgoing-smtp-authentication-on-zimbra-8-5/ All email to outside well fine until found problem when sending email to some clients and getting error “too ..
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On previous post, we can relay email based on user/domain receiver. But, on this guidance is reverse from previous post. ie the relay based on user/domain sender. Zimbra supported for multi domain. You can have many domain in one Zimbra server. I have condition where either domain cannot sending to some domains. For example, i have ..
I have a condition where my customers cannot sending email for some domain by directly. I give an advice to them for using Relay for all external delivery. But they do not want all external delivery using relay for security reason. They want just some domain receiver for using relay. Okay, because them using Zimbra 8.5/8.6, i ..
This guidance will describe how to configure outgoing smtp authentication on Zimbra 8.5. If you have Zimbra 8.0, you can see at the following link : http://www.excellent.co.id/product-services/zimbra/tips-zimbra-mta-relay-menggunakan-user-authentication-pada-zimbra-8/ INFORMATION SMTP Relay : mailrelay.example.com username : relay@example.com password : RelayExample port : 587/465 Copy and paste this command to your Zimbra server echo mailrelay.example.com relay@example.com:RelayExample > /opt/zimbra/conf/relay_password postmap /opt/zimbra/conf/relay_password postmap ..
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