php - smtp relay - gmail - swiftmailer: Expected response code 220 but got code "" -

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i using gmail smtp server swiftmailer class.

however getting

expected response code 220 got code "", message "" in "\classes\swift\transport\abstractsmtptransport.php"

what mean?

i think means sent blank line smtp server.

make sure none of commands have line feeds in them.

can log transaction , paste copy of log?

see here details logging http://swiftmailer.org/docs/logger-plugin


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