now := time.Now()
		// Only set write deadline once every second
		if now.Sub(lastSetDeadline) > time.Second {
			err := conn.SetWriteDeadline(now.Add(connWriteTimeout + time.Second))
			if err != nil {
				gridLogIf(ctx, fmt.Errorf("conn.SetWriteDeadline: %w", err))
				return false
			}
			lastSetDeadline = now
		}

		_, err := buf.WriteTo(conn)
		if err != nil {

pkg net/smtp, method (*Client) Noop() error
pkg os, func IsTimeout(error) bool
pkg os, method (*File) SetDeadline(time.Time) error
pkg os, method (*File) SetReadDeadline(time.Time) error
pkg os, method (*File) SetWriteDeadline(time.Time) error
pkg os, method (*PathError) Timeout() bool
pkg os, method (*SyscallError) Timeout() bool
pkg os, var ErrNoDeadline error
pkg strings, method (*Builder) Grow(int)