[Dir] Esmtp

[File] AbstractSmtpTransport.php

[File] EsmtpHandler.php

[File] EsmtpTransport.php

[File] FailoverTransport.php

[File] IoBuffer.php

[File] LoadBalancedTransport.php

[File] NullTransport.php

[File] SendmailTransport.php

[File] SmtpAgent.php

[File] SpoolTransport.php

[File] StreamBuffer.php