AVIRA MailGate/AVIRA for Postfix/AVIRA for Exim
Preguntas frecuentes
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Q1: What is the meaning of the message "bind failed (Address already in use)" in the message log?
This message appears if AVIRA MailGate was not able to bind to the port (default 25) you have specified in aimailgate.conf (see option ListenAddress). This means that another program is already listening on that port. Test this with "netstat -an" or just run "telnet localhost 25" to see whether another process is listening on the SMTP port. Check also /etc/inetd.conf to see if there is any MTA (sendmail, qmail, etc.) entry.
Q2: What is the meaning of the message "Relaying denied for rcpt " in the message log?
This means that the host connecting to the AVIRA MailGate service is not allowed to send messages.
Hosts that are allowed to relay can be found in the /etc/aimailgate.acl configuration file.
Sample aimailgate.acl content:
# These hosts and/or domains are local.
local: localhost 127.0.0.1
local: avira.com
# These hosts and networks are allowed to relay.
relay: 127.0.0.1/8 192.168.0.0/16
The above entries in aimailgate.acl mean that any email to localhost or 127.0.0.1 or the avira.com domain is allowed to be relayed whatever the relay: line contains.
Connections from hosts in the 127.0.0.0/8 and 192.168.0.0/16 segments are allowed to relay whatever the local: lines contain.
The interpretation of the localkeyword in aimailgate.acl can be modified in the aimailgate.conf configuration file, through the MatchMailAddressForLocal option.
If MatchMailAddressForLocal is set to RECIPIENT and the recipient address matches the domain given in local:, mail will be accepted.
If MatchMailAddressForLocal is set to SENDER and the sender address matches the domain given in local:, mail will be accepted.
If MatchMailAdressForLocal is set to BOTH and the recipient or the sender adresses matches the domain given in local:, mail will be accepted.
Q3: How do I limit the domains for which the AVIRA service will scan messages?
You can set AddressFilter to YES and FilterTableOrder conveniently in /etc/aimailgate.conf and you can specify regexp expressions for recipient/sender addresses in /etc/aimailgate.scan and /etc/aimailgate.ignore.
Please read the relevant section from the MANUAL (section Configuration File / General Parameters / AddressFilter). MANUAL is a text file found in the installation package in the aimailgate/doc subdirectory.
Q4: After AVIRA MailGate has been installed, procmail will no longer deliver messages to the local mailboxes.
This problem occurs only on some systems. One possible solution is to set the SUID bit of /usr/bin/procmailor in the /usr/lib/AVIRA/doc/mailgate directory.