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1answer
587 views

Is a short delay before I can hear the person I'm calling a “known issue” with Asterisk?

Whenever I call someone using my workplace's Asterisk VOIP server there's a 2-3 second delay before I can hear them so I always miss them saying "hello". This happens with any SIP client running on ...
3
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1answer
3k views

How to reduce the Sendmail DNS timeout period

I have a problem with the sendmail DNS timeout period when trying to sent to a email address which has a DNS issue. Let's say the problematic email address is test@problemdomain.com (not real one) I ...
1
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3answers
2k views

Sendmail delays on some email addresses

On our webserver, the PHP mail() command consistently hangs on some email addresses but is fine with the majority. It hangs for over 2 mins, by which time the PHP script has lost connection with the ...
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5answers
4k views

Every single time I use sudo it hangs before completing

Whether I get prompted for a password or not, it hangs between accepting the authentication and executing what I asked for. E.G. sudo ls will hang for about 60 seconds. I'm confused about what might ...