R help - Aug 2014 - sendmailR error: if (code == lcode) { : argument is of length zero

Good morning folks,

Recently calls to sendmail() in the sendmailR package have occasionally failed
with the error "if (code == lcode) { : argument is of length zero". 
The only thing we are setting in the control argument is the smtp server
(control=list(smtpServer='smtp.epa.gov')), so the port and other
settings rely on default values.

In going through the sendmailR source it looks like the call to
readLines(con=sock, n=1), from which the value of 'code' is determined,
is returning NULL.  Has anyone come across this situation, and better yet have
you found a fix for it?

Because this occurs in a pseudorandom/haphazard fashion, there is no repeatable
example to post.

Thank you for your time,
cur
--
Curt Seeliger, Data Ranger
Raytheon Information Services, Contractor to ORD
seeliger.curt@epa.gov
541-754-4638


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