On 7/17/2017 9:53 AM, Bill Spikowski wrote:
> I'm suddenly getting this message regularly when trying to send emails from 
> my XP computer:
> 
>> Sending of the message failed.
>> The message could not be sent because the connection to Outgoing server 
>> (SMTP) mail.greenviewdata.com timed out. Try again.
> 
> Is there a way I could lengthen the 'time out' period?
> 
> The SM default time-out has always been adequate for me, going back to 
> forever, but maybe not any more!
> 
> I'm having no trouble sending out emails using my gmail account in Seamonkey 
> -- but then they show my gmail address as the sender, which I don't want 
> since I dislike gmail and almost never use it.
> 
> I've also had intermittent problems sending messages from Seamonkey in recent 
> months on my Win7 computers -- but usually I get a password dialog box; if I 
> reenter my password, the message goes out. My new problem on XP might have 
> the same cause, but without the ability to reenter my password to work around 
> it.
> 

The preference variable to control timeouts is mailnews.tcptimeout.  Try
adding the following to your user.js file in your profile:
        user_pref("mailnews.tcptimeout", 210);
        // set connection timeout to 3.5 minutes because of slow
        // response
The "210" is the number of seconds (thus 3.5 minutes) to allow before a
timeout.  You should adjust this as necessary.  The semi-colon (;) at
the end of the first line is necessary.  The second and third lines are
merely a comment to remind you why you did this.

I had a very similar problem, but with submitting messages to a
newsgroup.  In my situation, the NNTP server was timeing-out because it
was not handling IPv6 connections well.  I tried setting
mailnews.tcptimeout to 210, but I still had frequent problems.  I added
the following to my user.js file in my profile:
        user_pref("network.dns.disableIPv6", true);
        // block use of IP6
This eliminated my need for setting the mailnews.tcptimeout preference
variable, which I then reverted to its default of 100 seconds.

I would not recommend setting network.dns.disableIPv6 for a profile that
is also used by the SeaMonkey browser as the number of Web sites using
IPv6 is increasing.  Instead, you might want to have a separate profile
for mail-news.  In my case, I use SeaMonkey for my browser but
Thunderbird for E-mail and newsgroups; so setting
network.dns.disableIPv6 to "true" only for mail-news was simple.

-- 
David Ross

<http://www.rossde.com/>
President Trump now denies there are any tapes that
recorded his conversations with ex-FBI Director Comey.
Between when Trump hinted there might be such tapes
and his denial, there was sufficient time to destroy
any tapes.
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