Author:
erics, March 3rd, 2025
If you’ve ever encountered a scenario where Safari on macOS Sonoma cannot reach a local or internal web service (while Firefox and curl work just fine), the issue may be due to Apple’s strict security features. Specifically, iCloud Private Relay and the Hide IP Address from Trackers option can interfere with certain local network connections. […]
Categories: How-To's, Technology Tags: apple, Blocked, Disable, Hide, Hide IP Address, howto, IP, IP address, MacOS, Private, Private Relay, Relay, Safari, tips, Unblock
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Author:
erics, July 25th, 2019
How to move the Relay role to another node in a Composite Tungsten Cluster
Categories: Architecture, cctrl, cls, Composite, Datasource, failover, Maintenance, Mastering Tungsten Clustering, Question Tags: Automatic, Command, HA, High Availability, Master, Move, mysql, QA, Relay, Replicator, Shell, Slave, Switch, Tungsten
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Author:
erics, January 26th, 2011
Configure the Smart Host Search for DS in /etc/mail/sendmail.cf and edit as follows: Before: DS After: DSyour.mail.relay.yourdomain.com Configure The Port Search for Mrelay and edit as follows: Before: Mrelay, P=[IPC], F=mDFMuXa8, S=EnvFromSMTP/HdrFromSMTP, R=MasqSMTP, E=\r\n, L=2040, T=DNS/RFC822/SMTP, A=TCP $h After: Mrelay, P=[IPC], F=mDFMuXa8, S=EnvFromSMTP/HdrFromSMTP, R=MasqSMTP, E=\r\n, L=2040, T=DNS/RFC822/SMTP, A=TCP $h 2525 Add the following line appropriately […]
Categories: How-To's, Technology Tags: DS, Email, Email Relay, howto, Port, Relay, SendMail, Smart Host, SmartHost, tips
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Author:
erics, December 17th, 2010
Below info copied from http://www.postfix.org/SASL_README.html#server_sasl_enable Make sure saslauthd is running first. Edit /etc/postfix/main.cf: smtpd_sasl_type = cyrus smtpd_sasl_auth_enable = yes broken_sasl_auth_clients = yes smtpd_sasl_security_options = noanonymous smtpd_sasl_authenticated_header = yes smtpd_recipient_restrictions = permit_sasl_authenticated {other options that were already there} # postfix reload To test (you supply the items in bold): % telnet server.example.com 25 … 220 server.example.com […]
Categories: How-To's, Technology Tags: Auth, Authenticate, Authentication, Email, gen-auth, howto, Plain, PostFix, Relay, SASL, saslauthd, tips
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Author:
erics, November 27th, 2010
http://www.postfix.org/postconf.5.html “Specify a domain name, hostname, hostname:port, [hostname]:port, [hostaddress] or [hostaddress]:port. The form [hostname] turns off MX lookups.” For example: relayhost = $mydomain relayhost = [smtprelay.wyzaerd.com]:2525
Categories: How-To's, Technology Tags: Email Relay, howto, PostFix, Relay, RelayHost, SmartHost, tips
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