[tpop3d-discuss] POP before SMTP with MySQL

[Dom Gallagher]

Not a problem (for once!), more of a 'thank you'.

I've been looking at POP before SMTP as I'm getting an increasing number of 
users 'roaming', and I myself am on a dynamic IP on DSL.  I'm using Postfix 
on that particular machine, and have no immediate wish to change to another 
daemon due to the (very) custom config.

The 'standard' methods of POP before SMTP (including DRAC) involve the use 
of Berkeley DB maps, which have the unfortunate side effect of causing the 
SMTP daemon to reload when they are changed (to read new maps).  I use 
tpop3d on several machines with 100% MySQL authentication, and have read 
the notes on the onlogin hooks that imply the MySQL hooks will be executed 
for every login.

Long story short, I set up tpop3d with mysql authentication, without an 
APOP or pass query, but with an onlogin query, and I'm now able to insert a 
MySQL row whenever someone logs in.  An external cron job retires stale links.

Thanks for the (perhaps unintended) feature; I'm impressed with how 
flexible this daemon is.  I hope to come up with a Postfix/MySQL/tpop3d 
FAQ/HOWTO at some point (workload permitting), but if anyone has questions, 
please feel free to ask.
-- 
Dom Gallagher (dgallagher@starnetusa.net)
Development Engineering
StarNet/MegaPOP - http://www.megapop.net
WX is wireless - http://www.starnetwx.net

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