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Bryan C. | Elance
 
176985602337900
Last Sign-in: Jan 25, 2015

Bryan C.

Postmaster, C Guru, Technical Writer
   United States
  |   San Francisco, CA
  |  5:17 pm Local Time

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Overview

Minimum Hourly Rate $55

+ Author of books: sendmail, anti-spam, C language
+ Experienced with OpenSSL, TLS, public/private keys, Certificates
+ Expert with Unix (Solaris, Linux, FreeBSD, OS-X), DNS and routing.
+ Master programmer (C, Pthreads), script writer (sh, bash)
+ Pathological QA debugger of code, protocols, and processes
+ Contributor to open source projects: opendmarc, libhash, libtpool
+ Contributed to (without credit) the AFRF and DMARC RFCs

Email expert both sending and receiving massive amounts of email safely. Author of seven technical books, dozens...

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Portfolio

I wrote the c-language, multi-threaded daemon milter and the document describing its use.
Wrote the 1st through 4th editions of the O'Reilly Media sendmail book.
Wrote the 1st edition "C from A to Z" book for Prentice Hall. Currently I am...

Skills (10)

Tested
C
My Score
avg
Email Security
Anti-spam
DMARC
Sendmail
SMTP
Patent preparation
Software Documentation
Pthreads
Postmaster

Service Description

Have architected, coded, and documented email setups for best open rates of outbound email, and for the safest receipt of inbound email. Am familiar with most MTAs, most expert with sendmail. I have coded milters for anti-spam, inbound rate limiting, sub-sampling, and DMARC authentication. Wrote a SPF checking library that is now a part of the opendmarc library.

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Employment

Agari
Senior Software Engineer
2011 - 2014
Wrote a multi-threaded milter to sub-sample inbound DMARC ruf reports that will not fail due to network or database errors. Processed inbound DMARC aggregate reports. Experimented to find ways to...
eCert Inc.
Senior Software Engineer
2011 - 2011
Wrote a C-Language ARF parsing Milter that inserted parsed ARF data into a mysql database. Wrote a multi-threaded C-Language program to automatically send test email and to record the results of...
Overview  |  Job History  |  Portfolio  |  Resume/C.V.

Keywords

Postmaster
sendmail
MTA
DMARC
SPF
DKIM
anti-spam
open-rates
milter design and programming
documentation/technical writing
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Member Since
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Bryan C. | Elance

Bryan C.